0=2x^2-2x-112

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Solution for 0=2x^2-2x-112 equation:


Simplifying
0 = 2x2 + -2x + -112

Reorder the terms:
0 = -112 + -2x + 2x2

Solving
0 = -112 + -2x + 2x2

Solving for variable 'x'.

Combine like terms: 0 + 112 = 112
112 + 2x + -2x2 = -112 + -2x + 2x2 + 112 + 2x + -2x2

Reorder the terms:
112 + 2x + -2x2 = -112 + 112 + -2x + 2x + 2x2 + -2x2

Combine like terms: -112 + 112 = 0
112 + 2x + -2x2 = 0 + -2x + 2x + 2x2 + -2x2
112 + 2x + -2x2 = -2x + 2x + 2x2 + -2x2

Combine like terms: -2x + 2x = 0
112 + 2x + -2x2 = 0 + 2x2 + -2x2
112 + 2x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
112 + 2x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(56 + x + -1x2) = 0

Factor a trinomial.
2((8 + -1x)(7 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Subproblem 2

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Solution

x = {8, -7}

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