x^2+(4*6*x+3x)-5=3

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Solution for x^2+(4*6*x+3x)-5=3 equation:


Simplifying
x2 + (4 * 6x + 3x) + -5 = 3

Multiply 4 * 6
x2 + (24x + 3x) + -5 = 3

Combine like terms: 24x + 3x = 27x
x2 + (27x) + -5 = 3
x2 + (27x) + -5 = 3

Reorder the terms:
-5 + (27x) + x2 = 3

Solving
-5 + (27x) + x2 = 3

Solving for variable 'x'.

Reorder the terms:
-5 + -3 + (27x) + x2 = 3 + -3

Combine like terms: -5 + -3 = -8
-8 + (27x) + x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-8 + (27x) + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + (27x) + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + (27x) + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + (27x) + x2 = 0 + 8
(27x) + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
(27x) + x2 = 8

The x term is (27x).  Take half its coefficient (13.5).
Square it (182.25) and add it to both sides.

Add '182.25' to each side of the equation.
(27x) + 182.25 + x2 = 8 + 182.25

Reorder the terms:
182.25 + (27x) + x2 = 8 + 182.25

Combine like terms: 8 + 182.25 = 190.25
182.25 + (27x) + x2 = 190.25

Factor a perfect square on the left side:
(x + 13.5)(x + 13.5) = 190.25

Calculate the square root of the right side: 13.793114224

Break this problem into two subproblems by setting 
(x + 13.5) equal to 13.793114224 and -13.793114224.

Subproblem 1

x + 13.5 = 13.793114224 Simplifying x + 13.5 = 13.793114224 Reorder the terms: 13.5 + x = 13.793114224 Solving 13.5 + x = 13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = 13.793114224 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = 13.793114224 + -13.5 x = 13.793114224 + -13.5 Combine like terms: 13.793114224 + -13.5 = 0.293114224 x = 0.293114224 Simplifying x = 0.293114224

Subproblem 2

x + 13.5 = -13.793114224 Simplifying x + 13.5 = -13.793114224 Reorder the terms: 13.5 + x = -13.793114224 Solving 13.5 + x = -13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.5' to each side of the equation. 13.5 + -13.5 + x = -13.793114224 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + x = -13.793114224 + -13.5 x = -13.793114224 + -13.5 Combine like terms: -13.793114224 + -13.5 = -27.293114224 x = -27.293114224 Simplifying x = -27.293114224

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.293114224, -27.293114224}

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