-2x^2=12x-14

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Solution for -2x^2=12x-14 equation:


Simplifying
-2x2 = 12x + -14

Reorder the terms:
-2x2 = -14 + 12x

Solving
-2x2 = -14 + 12x

Solving for variable 'x'.

Reorder the terms:
14 + -12x + -2x2 = -14 + 12x + 14 + -12x

Reorder the terms:
14 + -12x + -2x2 = -14 + 14 + 12x + -12x

Combine like terms: -14 + 14 = 0
14 + -12x + -2x2 = 0 + 12x + -12x
14 + -12x + -2x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
14 + -12x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(7 + -6x + -1x2) = 0

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

Ignore the factor 2.

Subproblem 1

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

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 = {1, -7}

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