4[3(7x-1)(3x+4)]=5x-47

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Solution for 4[3(7x-1)(3x+4)]=5x-47 equation:


Simplifying
4[3(7x + -1)(3x + 4)] = 5x + -47

Reorder the terms:
4[3(-1 + 7x)(3x + 4)] = 5x + -47

Reorder the terms:
4[3(-1 + 7x)(4 + 3x)] = 5x + -47

Multiply (-1 + 7x) * (4 + 3x)
4[3(-1(4 + 3x) + 7x * (4 + 3x))] = 5x + -47
4[3((4 * -1 + 3x * -1) + 7x * (4 + 3x))] = 5x + -47
4[3((-4 + -3x) + 7x * (4 + 3x))] = 5x + -47
4[3(-4 + -3x + (4 * 7x + 3x * 7x))] = 5x + -47
4[3(-4 + -3x + (28x + 21x2))] = 5x + -47

Combine like terms: -3x + 28x = 25x
4[3(-4 + 25x + 21x2)] = 5x + -47
4[(-4 * 3 + 25x * 3 + 21x2 * 3)] = 5x + -47
4[(-12 + 75x + 63x2)] = 5x + -47
[-12 * 4 + 75x * 4 + 63x2 * 4] = 5x + -47
[-48 + 300x + 252x2] = 5x + -47

Reorder the terms:
-48 + 300x + 252x2 = -47 + 5x

Solving
-48 + 300x + 252x2 = -47 + 5x

Solving for variable 'x'.

Reorder the terms:
-48 + 47 + 300x + -5x + 252x2 = -47 + 5x + 47 + -5x

Combine like terms: -48 + 47 = -1
-1 + 300x + -5x + 252x2 = -47 + 5x + 47 + -5x

Combine like terms: 300x + -5x = 295x
-1 + 295x + 252x2 = -47 + 5x + 47 + -5x

Reorder the terms:
-1 + 295x + 252x2 = -47 + 47 + 5x + -5x

Combine like terms: -47 + 47 = 0
-1 + 295x + 252x2 = 0 + 5x + -5x
-1 + 295x + 252x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-1 + 295x + 252x2 = 0

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

Divide each side by '252'.
-0.003968253968 + 1.170634921x + x2 = 0

Move the constant term to the right:

Add '0.003968253968' to each side of the equation.
-0.003968253968 + 1.170634921x + 0.003968253968 + x2 = 0 + 0.003968253968

Reorder the terms:
-0.003968253968 + 0.003968253968 + 1.170634921x + x2 = 0 + 0.003968253968

Combine like terms: -0.003968253968 + 0.003968253968 = 0.000000000000
0.000000000000 + 1.170634921x + x2 = 0 + 0.003968253968
1.170634921x + x2 = 0 + 0.003968253968

Combine like terms: 0 + 0.003968253968 = 0.003968253968
1.170634921x + x2 = 0.003968253968

The x term is 1.170634921x.  Take half its coefficient (0.5853174605).
Square it (0.3425965296) and add it to both sides.

Add '0.3425965296' to each side of the equation.
1.170634921x + 0.3425965296 + x2 = 0.003968253968 + 0.3425965296

Reorder the terms:
0.3425965296 + 1.170634921x + x2 = 0.003968253968 + 0.3425965296

Combine like terms: 0.003968253968 + 0.3425965296 = 0.346564783568
0.3425965296 + 1.170634921x + x2 = 0.346564783568

Factor a perfect square on the left side:
(x + 0.5853174605)(x + 0.5853174605) = 0.346564783568

Calculate the square root of the right side: 0.588697531

Break this problem into two subproblems by setting 
(x + 0.5853174605) equal to 0.588697531 and -0.588697531.

Subproblem 1

x + 0.5853174605 = 0.588697531 Simplifying x + 0.5853174605 = 0.588697531 Reorder the terms: 0.5853174605 + x = 0.588697531 Solving 0.5853174605 + x = 0.588697531 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5853174605' to each side of the equation. 0.5853174605 + -0.5853174605 + x = 0.588697531 + -0.5853174605 Combine like terms: 0.5853174605 + -0.5853174605 = 0.0000000000 0.0000000000 + x = 0.588697531 + -0.5853174605 x = 0.588697531 + -0.5853174605 Combine like terms: 0.588697531 + -0.5853174605 = 0.0033800705 x = 0.0033800705 Simplifying x = 0.0033800705

Subproblem 2

x + 0.5853174605 = -0.588697531 Simplifying x + 0.5853174605 = -0.588697531 Reorder the terms: 0.5853174605 + x = -0.588697531 Solving 0.5853174605 + x = -0.588697531 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5853174605' to each side of the equation. 0.5853174605 + -0.5853174605 + x = -0.588697531 + -0.5853174605 Combine like terms: 0.5853174605 + -0.5853174605 = 0.0000000000 0.0000000000 + x = -0.588697531 + -0.5853174605 x = -0.588697531 + -0.5853174605 Combine like terms: -0.588697531 + -0.5853174605 = -1.1740149915 x = -1.1740149915 Simplifying x = -1.1740149915

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.0033800705, -1.1740149915}

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