(3x-1)-3(2x+3)(2x+3)+42=2x(-x-5)-(-x+1)(x-1)

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Solution for (3x-1)-3(2x+3)(2x+3)+42=2x(-x-5)-(-x+1)(x-1) equation:


Simplifying
(3x + -1) + -3(2x + 3)(2x + 3) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Reorder the terms:
(-1 + 3x) + -3(2x + 3)(2x + 3) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Remove parenthesis around (-1 + 3x)
-1 + 3x + -3(2x + 3)(2x + 3) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Reorder the terms:
-1 + 3x + -3(3 + 2x)(2x + 3) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Reorder the terms:
-1 + 3x + -3(3 + 2x)(3 + 2x) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Multiply (3 + 2x) * (3 + 2x)
-1 + 3x + -3(3(3 + 2x) + 2x * (3 + 2x)) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)
-1 + 3x + -3((3 * 3 + 2x * 3) + 2x * (3 + 2x)) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)
-1 + 3x + -3((9 + 6x) + 2x * (3 + 2x)) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)
-1 + 3x + -3(9 + 6x + (3 * 2x + 2x * 2x)) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)
-1 + 3x + -3(9 + 6x + (6x + 4x2)) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Combine like terms: 6x + 6x = 12x
-1 + 3x + -3(9 + 12x + 4x2) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)
-1 + 3x + (9 * -3 + 12x * -3 + 4x2 * -3) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)
-1 + 3x + (-27 + -36x + -12x2) + 42 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Reorder the terms:
-1 + -27 + 42 + 3x + -36x + -12x2 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Combine like terms: -1 + -27 = -28
-28 + 42 + 3x + -36x + -12x2 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Combine like terms: -28 + 42 = 14
14 + 3x + -36x + -12x2 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Combine like terms: 3x + -36x = -33x
14 + -33x + -12x2 = 2x(-1x + -5) + -1(-1x + 1)(x + -1)

Reorder the terms:
14 + -33x + -12x2 = 2x(-5 + -1x) + -1(-1x + 1)(x + -1)
14 + -33x + -12x2 = (-5 * 2x + -1x * 2x) + -1(-1x + 1)(x + -1)
14 + -33x + -12x2 = (-10x + -2x2) + -1(-1x + 1)(x + -1)

Reorder the terms:
14 + -33x + -12x2 = -10x + -2x2 + -1(1 + -1x)(x + -1)

Reorder the terms:
14 + -33x + -12x2 = -10x + -2x2 + -1(1 + -1x)(-1 + x)

Multiply (1 + -1x) * (-1 + x)
14 + -33x + -12x2 = -10x + -2x2 + -1(1(-1 + x) + -1x * (-1 + x))
14 + -33x + -12x2 = -10x + -2x2 + -1((-1 * 1 + x * 1) + -1x * (-1 + x))
14 + -33x + -12x2 = -10x + -2x2 + -1((-1 + 1x) + -1x * (-1 + x))
14 + -33x + -12x2 = -10x + -2x2 + -1(-1 + 1x + (-1 * -1x + x * -1x))
14 + -33x + -12x2 = -10x + -2x2 + -1(-1 + 1x + (1x + -1x2))

Combine like terms: 1x + 1x = 2x
14 + -33x + -12x2 = -10x + -2x2 + -1(-1 + 2x + -1x2)
14 + -33x + -12x2 = -10x + -2x2 + (-1 * -1 + 2x * -1 + -1x2 * -1)
14 + -33x + -12x2 = -10x + -2x2 + (1 + -2x + 1x2)

Reorder the terms:
14 + -33x + -12x2 = 1 + -10x + -2x + -2x2 + 1x2

Combine like terms: -10x + -2x = -12x
14 + -33x + -12x2 = 1 + -12x + -2x2 + 1x2

Combine like terms: -2x2 + 1x2 = -1x2
14 + -33x + -12x2 = 1 + -12x + -1x2

Solving
14 + -33x + -12x2 = 1 + -12x + -1x2

Solving for variable 'x'.

Reorder the terms:
14 + -1 + -33x + 12x + -12x2 + x2 = 1 + -12x + -1x2 + -1 + 12x + x2

Combine like terms: 14 + -1 = 13
13 + -33x + 12x + -12x2 + x2 = 1 + -12x + -1x2 + -1 + 12x + x2

Combine like terms: -33x + 12x = -21x
13 + -21x + -12x2 + x2 = 1 + -12x + -1x2 + -1 + 12x + x2

Combine like terms: -12x2 + x2 = -11x2
13 + -21x + -11x2 = 1 + -12x + -1x2 + -1 + 12x + x2

Reorder the terms:
13 + -21x + -11x2 = 1 + -1 + -12x + 12x + -1x2 + x2

Combine like terms: 1 + -1 = 0
13 + -21x + -11x2 = 0 + -12x + 12x + -1x2 + x2
13 + -21x + -11x2 = -12x + 12x + -1x2 + x2

Combine like terms: -12x + 12x = 0
13 + -21x + -11x2 = 0 + -1x2 + x2
13 + -21x + -11x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
13 + -21x + -11x2 = 0

Begin completing the square.  Divide all terms by
-11 the coefficient of the squared term: 

Divide each side by '-11'.
-1.181818182 + 1.909090909x + x2 = 0

Move the constant term to the right:

Add '1.181818182' to each side of the equation.
-1.181818182 + 1.909090909x + 1.181818182 + x2 = 0 + 1.181818182

Reorder the terms:
-1.181818182 + 1.181818182 + 1.909090909x + x2 = 0 + 1.181818182

Combine like terms: -1.181818182 + 1.181818182 = 0.000000000
0.000000000 + 1.909090909x + x2 = 0 + 1.181818182
1.909090909x + x2 = 0 + 1.181818182

Combine like terms: 0 + 1.181818182 = 1.181818182
1.909090909x + x2 = 1.181818182

The x term is 1.909090909x.  Take half its coefficient (0.9545454545).
Square it (0.9111570247) and add it to both sides.

Add '0.9111570247' to each side of the equation.
1.909090909x + 0.9111570247 + x2 = 1.181818182 + 0.9111570247

Reorder the terms:
0.9111570247 + 1.909090909x + x2 = 1.181818182 + 0.9111570247

Combine like terms: 1.181818182 + 0.9111570247 = 2.0929752067
0.9111570247 + 1.909090909x + x2 = 2.0929752067

Factor a perfect square on the left side:
(x + 0.9545454545)(x + 0.9545454545) = 2.0929752067

Calculate the square root of the right side: 1.44671186

Break this problem into two subproblems by setting 
(x + 0.9545454545) equal to 1.44671186 and -1.44671186.

Subproblem 1

x + 0.9545454545 = 1.44671186 Simplifying x + 0.9545454545 = 1.44671186 Reorder the terms: 0.9545454545 + x = 1.44671186 Solving 0.9545454545 + x = 1.44671186 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9545454545' to each side of the equation. 0.9545454545 + -0.9545454545 + x = 1.44671186 + -0.9545454545 Combine like terms: 0.9545454545 + -0.9545454545 = 0.0000000000 0.0000000000 + x = 1.44671186 + -0.9545454545 x = 1.44671186 + -0.9545454545 Combine like terms: 1.44671186 + -0.9545454545 = 0.4921664055 x = 0.4921664055 Simplifying x = 0.4921664055

Subproblem 2

x + 0.9545454545 = -1.44671186 Simplifying x + 0.9545454545 = -1.44671186 Reorder the terms: 0.9545454545 + x = -1.44671186 Solving 0.9545454545 + x = -1.44671186 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9545454545' to each side of the equation. 0.9545454545 + -0.9545454545 + x = -1.44671186 + -0.9545454545 Combine like terms: 0.9545454545 + -0.9545454545 = 0.0000000000 0.0000000000 + x = -1.44671186 + -0.9545454545 x = -1.44671186 + -0.9545454545 Combine like terms: -1.44671186 + -0.9545454545 = -2.4012573145 x = -2.4012573145 Simplifying x = -2.4012573145

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.4921664055, -2.4012573145}

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