9x^2-48x+64(3x-8)=0

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Solution for 9x^2-48x+64(3x-8)=0 equation:


Simplifying
9x2 + -48x + 64(3x + -8) = 0

Reorder the terms:
9x2 + -48x + 64(-8 + 3x) = 0
9x2 + -48x + (-8 * 64 + 3x * 64) = 0
9x2 + -48x + (-512 + 192x) = 0

Reorder the terms:
-512 + -48x + 192x + 9x2 = 0

Combine like terms: -48x + 192x = 144x
-512 + 144x + 9x2 = 0

Solving
-512 + 144x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
-56.88888889 + 16x + x2 = 0

Move the constant term to the right:

Add '56.88888889' to each side of the equation.
-56.88888889 + 16x + 56.88888889 + x2 = 0 + 56.88888889

Reorder the terms:
-56.88888889 + 56.88888889 + 16x + x2 = 0 + 56.88888889

Combine like terms: -56.88888889 + 56.88888889 = 0.00000000
0.00000000 + 16x + x2 = 0 + 56.88888889
16x + x2 = 0 + 56.88888889

Combine like terms: 0 + 56.88888889 = 56.88888889
16x + x2 = 56.88888889

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 = 56.88888889 + 64

Reorder the terms:
64 + 16x + x2 = 56.88888889 + 64

Combine like terms: 56.88888889 + 64 = 120.88888889
64 + 16x + x2 = 120.88888889

Factor a perfect square on the left side:
(x + 8)(x + 8) = 120.88888889

Calculate the square root of the right side: 10.994948335

Break this problem into two subproblems by setting 
(x + 8) equal to 10.994948335 and -10.994948335.

Subproblem 1

x + 8 = 10.994948335 Simplifying x + 8 = 10.994948335 Reorder the terms: 8 + x = 10.994948335 Solving 8 + x = 10.994948335 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 = 10.994948335 + -8 Combine like terms: 8 + -8 = 0 0 + x = 10.994948335 + -8 x = 10.994948335 + -8 Combine like terms: 10.994948335 + -8 = 2.994948335 x = 2.994948335 Simplifying x = 2.994948335

Subproblem 2

x + 8 = -10.994948335 Simplifying x + 8 = -10.994948335 Reorder the terms: 8 + x = -10.994948335 Solving 8 + x = -10.994948335 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 = -10.994948335 + -8 Combine like terms: 8 + -8 = 0 0 + x = -10.994948335 + -8 x = -10.994948335 + -8 Combine like terms: -10.994948335 + -8 = -18.994948335 x = -18.994948335 Simplifying x = -18.994948335

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.994948335, -18.994948335}

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