(2x)(2x-8)=48

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Solution for (2x)(2x-8)=48 equation:


Simplifying
(2x)(2x + -8) = 48

Remove parenthesis around (2x)
2x(2x + -8) = 48

Reorder the terms:
2x(-8 + 2x) = 48
(-8 * 2x + 2x * 2x) = 48
(-16x + 4x2) = 48

Solving
-16x + 4x2 = 48

Solving for variable 'x'.

Reorder the terms:
-48 + -16x + 4x2 = 48 + -48

Combine like terms: 48 + -48 = 0
-48 + -16x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-12 + -4x + x2) = 0

Factor a trinomial.
4((-2 + -1x)(6 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {-2, 6}

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