(3x+3)(x-6)=24x-118

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Solution for (3x+3)(x-6)=24x-118 equation:


Simplifying
(3x + 3)(x + -6) = 24x + -118

Reorder the terms:
(3 + 3x)(x + -6) = 24x + -118

Reorder the terms:
(3 + 3x)(-6 + x) = 24x + -118

Multiply (3 + 3x) * (-6 + x)
(3(-6 + x) + 3x * (-6 + x)) = 24x + -118
((-6 * 3 + x * 3) + 3x * (-6 + x)) = 24x + -118
((-18 + 3x) + 3x * (-6 + x)) = 24x + -118
(-18 + 3x + (-6 * 3x + x * 3x)) = 24x + -118
(-18 + 3x + (-18x + 3x2)) = 24x + -118

Combine like terms: 3x + -18x = -15x
(-18 + -15x + 3x2) = 24x + -118

Reorder the terms:
-18 + -15x + 3x2 = -118 + 24x

Solving
-18 + -15x + 3x2 = -118 + 24x

Solving for variable 'x'.

Reorder the terms:
-18 + 118 + -15x + -24x + 3x2 = -118 + 24x + 118 + -24x

Combine like terms: -18 + 118 = 100
100 + -15x + -24x + 3x2 = -118 + 24x + 118 + -24x

Combine like terms: -15x + -24x = -39x
100 + -39x + 3x2 = -118 + 24x + 118 + -24x

Reorder the terms:
100 + -39x + 3x2 = -118 + 118 + 24x + -24x

Combine like terms: -118 + 118 = 0
100 + -39x + 3x2 = 0 + 24x + -24x
100 + -39x + 3x2 = 24x + -24x

Combine like terms: 24x + -24x = 0
100 + -39x + 3x2 = 0

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

Divide each side by '3'.
33.33333333 + -13x + x2 = 0

Move the constant term to the right:

Add '-33.33333333' to each side of the equation.
33.33333333 + -13x + -33.33333333 + x2 = 0 + -33.33333333

Reorder the terms:
33.33333333 + -33.33333333 + -13x + x2 = 0 + -33.33333333

Combine like terms: 33.33333333 + -33.33333333 = 0.00000000
0.00000000 + -13x + x2 = 0 + -33.33333333
-13x + x2 = 0 + -33.33333333

Combine like terms: 0 + -33.33333333 = -33.33333333
-13x + x2 = -33.33333333

The x term is -13x.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13x + 42.25 + x2 = -33.33333333 + 42.25

Reorder the terms:
42.25 + -13x + x2 = -33.33333333 + 42.25

Combine like terms: -33.33333333 + 42.25 = 8.91666667
42.25 + -13x + x2 = 8.91666667

Factor a perfect square on the left side:
(x + -6.5)(x + -6.5) = 8.91666667

Calculate the square root of the right side: 2.986078812

Break this problem into two subproblems by setting 
(x + -6.5) equal to 2.986078812 and -2.986078812.

Subproblem 1

x + -6.5 = 2.986078812 Simplifying x + -6.5 = 2.986078812 Reorder the terms: -6.5 + x = 2.986078812 Solving -6.5 + x = 2.986078812 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = 2.986078812 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = 2.986078812 + 6.5 x = 2.986078812 + 6.5 Combine like terms: 2.986078812 + 6.5 = 9.486078812 x = 9.486078812 Simplifying x = 9.486078812

Subproblem 2

x + -6.5 = -2.986078812 Simplifying x + -6.5 = -2.986078812 Reorder the terms: -6.5 + x = -2.986078812 Solving -6.5 + x = -2.986078812 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = -2.986078812 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = -2.986078812 + 6.5 x = -2.986078812 + 6.5 Combine like terms: -2.986078812 + 6.5 = 3.513921188 x = 3.513921188 Simplifying x = 3.513921188

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.486078812, 3.513921188}

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