(2x-9)(2x+8)2=0

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Solution for (2x-9)(2x+8)2=0 equation: 


Simplifying
(2x + -9)(2x + 8) * 2 = 0

Reorder the terms:
(-9 + 2x)(2x + 8) * 2 = 0

Reorder the terms:
(-9 + 2x)(8 + 2x) * 2 = 0

Reorder the terms for easier multiplication:
2(-9 + 2x)(8 + 2x) = 0

Multiply (-9 + 2x) * (8 + 2x)
2(-9(8 + 2x) + 2x * (8 + 2x)) = 0
2((8 * -9 + 2x * -9) + 2x * (8 + 2x)) = 0
2((-72 + -18x) + 2x * (8 + 2x)) = 0
2(-72 + -18x + (8 * 2x + 2x * 2x)) = 0
2(-72 + -18x + (16x + 4x2)) = 0

Combine like terms: -18x + 16x = -2x
2(-72 + -2x + 4x2) = 0
(-72 * 2 + -2x * 2 + 4x2 * 2) = 0
(-144 + -4x + 8x2) = 0

Solving
-144 + -4x + 8x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-36 + -1x + 2x2) = 0

Factor a trinomial.
4((-4 + -1x)(9 + -2x)) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(-4 + -1x)' equal to zero and attempt to solve:

Simplifying
-4 + -1x = 0

Solving
-4 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

Subproblem 2
Set the factor '(9 + -2x)' equal to zero and attempt to solve:

Simplifying
9 + -2x = 0

Solving
9 + -2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + -2x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = 0 + -9
-2x = 0 + -9

Combine like terms: 0 + -9 = -9
-2x = -9

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5
Solution
x = {-4, 4.5}

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