4=2x^2+12x-106

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Solution for 4=2x^2+12x-106 equation:


Simplifying
4 = 2x2 + 12x + -106

Reorder the terms:
4 = -106 + 12x + 2x2

Solving
4 = -106 + 12x + 2x2

Solving for variable 'x'.

Combine like terms: 4 + 106 = 110
110 + -12x + -2x2 = -106 + 12x + 2x2 + 106 + -12x + -2x2

Reorder the terms:
110 + -12x + -2x2 = -106 + 106 + 12x + -12x + 2x2 + -2x2

Combine like terms: -106 + 106 = 0
110 + -12x + -2x2 = 0 + 12x + -12x + 2x2 + -2x2
110 + -12x + -2x2 = 12x + -12x + 2x2 + -2x2

Combine like terms: 12x + -12x = 0
110 + -12x + -2x2 = 0 + 2x2 + -2x2
110 + -12x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
110 + -12x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(55 + -6x + -1x2) = 0

Factor a trinomial.
2((5 + -1x)(11 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Subproblem 2

Set the factor '(11 + x)' equal to zero and attempt to solve: Simplifying 11 + x = 0 Solving 11 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + x = 0 + -11 x = 0 + -11 Combine like terms: 0 + -11 = -11 x = -11 Simplifying x = -11

Solution

x = {5, -11}

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