2x^2-24x=3x^2-8x-3

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Solution for 2x^2-24x=3x^2-8x-3 equation:


Simplifying
2x2 + -24x = 3x2 + -8x + -3

Reorder the terms:
-24x + 2x2 = 3x2 + -8x + -3

Reorder the terms:
-24x + 2x2 = -3 + -8x + 3x2

Solving
-24x + 2x2 = -3 + -8x + 3x2

Solving for variable 'x'.

Reorder the terms:
3 + -24x + 8x + 2x2 + -3x2 = -3 + -8x + 3x2 + 3 + 8x + -3x2

Combine like terms: -24x + 8x = -16x
3 + -16x + 2x2 + -3x2 = -3 + -8x + 3x2 + 3 + 8x + -3x2

Combine like terms: 2x2 + -3x2 = -1x2
3 + -16x + -1x2 = -3 + -8x + 3x2 + 3 + 8x + -3x2

Reorder the terms:
3 + -16x + -1x2 = -3 + 3 + -8x + 8x + 3x2 + -3x2

Combine like terms: -3 + 3 = 0
3 + -16x + -1x2 = 0 + -8x + 8x + 3x2 + -3x2
3 + -16x + -1x2 = -8x + 8x + 3x2 + -3x2

Combine like terms: -8x + 8x = 0
3 + -16x + -1x2 = 0 + 3x2 + -3x2
3 + -16x + -1x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
3 + -16x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-3 + 16x + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + 16x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + 16x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 16x + x2 = 0 + 3
16x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
16x + x2 = 3

The x term is 16x.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16x + 64 + x2 = 3 + 64

Reorder the terms:
64 + 16x + x2 = 3 + 64

Combine like terms: 3 + 64 = 67
64 + 16x + x2 = 67

Factor a perfect square on the left side:
(x + 8)(x + 8) = 67

Calculate the square root of the right side: 8.185352772

Break this problem into two subproblems by setting 
(x + 8) equal to 8.185352772 and -8.185352772.

Subproblem 1

x + 8 = 8.185352772 Simplifying x + 8 = 8.185352772 Reorder the terms: 8 + x = 8.185352772 Solving 8 + x = 8.185352772 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 8.185352772 + -8 Combine like terms: 8 + -8 = 0 0 + x = 8.185352772 + -8 x = 8.185352772 + -8 Combine like terms: 8.185352772 + -8 = 0.185352772 x = 0.185352772 Simplifying x = 0.185352772

Subproblem 2

x + 8 = -8.185352772 Simplifying x + 8 = -8.185352772 Reorder the terms: 8 + x = -8.185352772 Solving 8 + x = -8.185352772 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -8.185352772 + -8 Combine like terms: 8 + -8 = 0 0 + x = -8.185352772 + -8 x = -8.185352772 + -8 Combine like terms: -8.185352772 + -8 = -16.185352772 x = -16.185352772 Simplifying x = -16.185352772

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.185352772, -16.185352772}

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