4x^2-24x=3x^2-8x-4

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Solution for 4x^2-24x=3x^2-8x-4 equation:


Simplifying
4x2 + -24x = 3x2 + -8x + -4

Reorder the terms:
-24x + 4x2 = 3x2 + -8x + -4

Reorder the terms:
-24x + 4x2 = -4 + -8x + 3x2

Solving
-24x + 4x2 = -4 + -8x + 3x2

Solving for variable 'x'.

Reorder the terms:
4 + -24x + 8x + 4x2 + -3x2 = -4 + -8x + 3x2 + 4 + 8x + -3x2

Combine like terms: -24x + 8x = -16x
4 + -16x + 4x2 + -3x2 = -4 + -8x + 3x2 + 4 + 8x + -3x2

Combine like terms: 4x2 + -3x2 = 1x2
4 + -16x + 1x2 = -4 + -8x + 3x2 + 4 + 8x + -3x2

Reorder the terms:
4 + -16x + 1x2 = -4 + 4 + -8x + 8x + 3x2 + -3x2

Combine like terms: -4 + 4 = 0
4 + -16x + 1x2 = 0 + -8x + 8x + 3x2 + -3x2
4 + -16x + 1x2 = -8x + 8x + 3x2 + -3x2

Combine like terms: -8x + 8x = 0
4 + -16x + 1x2 = 0 + 3x2 + -3x2
4 + -16x + 1x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
4 + -16x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -16x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -16x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -16x + x2 = 0 + -4
-16x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-16x + x2 = -4

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 = -4 + 64

Reorder the terms:
64 + -16x + x2 = -4 + 64

Combine like terms: -4 + 64 = 60
64 + -16x + x2 = 60

Factor a perfect square on the left side:
(x + -8)(x + -8) = 60

Calculate the square root of the right side: 7.745966692

Break this problem into two subproblems by setting 
(x + -8) equal to 7.745966692 and -7.745966692.

Subproblem 1

x + -8 = 7.745966692 Simplifying x + -8 = 7.745966692 Reorder the terms: -8 + x = 7.745966692 Solving -8 + x = 7.745966692 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 = 7.745966692 + 8 Combine like terms: -8 + 8 = 0 0 + x = 7.745966692 + 8 x = 7.745966692 + 8 Combine like terms: 7.745966692 + 8 = 15.745966692 x = 15.745966692 Simplifying x = 15.745966692

Subproblem 2

x + -8 = -7.745966692 Simplifying x + -8 = -7.745966692 Reorder the terms: -8 + x = -7.745966692 Solving -8 + x = -7.745966692 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 = -7.745966692 + 8 Combine like terms: -8 + 8 = 0 0 + x = -7.745966692 + 8 x = -7.745966692 + 8 Combine like terms: -7.745966692 + 8 = 0.254033308 x = 0.254033308 Simplifying x = 0.254033308

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.745966692, 0.254033308}

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