-2x^2-8x=-24

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


Simplifying
-2x2 + -8x = -24

Reorder the terms:
-8x + -2x2 = -24

Solving
-8x + -2x2 = -24

Solving for variable 'x'.

Reorder the terms:
24 + -8x + -2x2 = -24 + 24

Combine like terms: -24 + 24 = 0
24 + -8x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(12 + -4x + -1x2) = 0

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

Ignore the factor 2.

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 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 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 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Solution

x = {2, -6}

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