7x^2+112x-11=108

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Solution for 7x^2+112x-11=108 equation:


Simplifying
7x2 + 112x + -11 = 108

Reorder the terms:
-11 + 112x + 7x2 = 108

Solving
-11 + 112x + 7x2 = 108

Solving for variable 'x'.

Reorder the terms:
-11 + -108 + 112x + 7x2 = 108 + -108

Combine like terms: -11 + -108 = -119
-119 + 112x + 7x2 = 108 + -108

Combine like terms: 108 + -108 = 0
-119 + 112x + 7x2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-17 + 16x + x2) = 0

Factor a trinomial.
7((-17 + -1x)(1 + -1x)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(-17 + -1x)' equal to zero and attempt to solve: Simplifying -17 + -1x = 0 Solving -17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -1x = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -1x = 0 + 17 -1x = 0 + 17 Combine like terms: 0 + 17 = 17 -1x = 17 Divide each side by '-1'. x = -17 Simplifying x = -17

Subproblem 2

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

Solution

x = {-17, 1}

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