(6-2x)(6-2x)-144=0

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Solution for (6-2x)(6-2x)-144=0 equation:


Simplifying
(6 + -2x)(6 + -2x) + -144 = 0

Multiply (6 + -2x) * (6 + -2x)
(6(6 + -2x) + -2x * (6 + -2x)) + -144 = 0
((6 * 6 + -2x * 6) + -2x * (6 + -2x)) + -144 = 0
((36 + -12x) + -2x * (6 + -2x)) + -144 = 0
(36 + -12x + (6 * -2x + -2x * -2x)) + -144 = 0
(36 + -12x + (-12x + 4x2)) + -144 = 0

Combine like terms: -12x + -12x = -24x
(36 + -24x + 4x2) + -144 = 0

Reorder the terms:
36 + -144 + -24x + 4x2 = 0

Combine like terms: 36 + -144 = -108
-108 + -24x + 4x2 = 0

Solving
-108 + -24x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-27 + -6x + x2) = 0

Factor a trinomial.
4((-3 + -1x)(9 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-3, 9}

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