0=x^2+3x-88

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Solution for 0=x^2+3x-88 equation:


Simplifying
0 = x2 + 3x + -88

Reorder the terms:
0 = -88 + 3x + x2

Solving
0 = -88 + 3x + x2

Solving for variable 'x'.

Combine like terms: 0 + 88 = 88
88 + -3x + -1x2 = -88 + 3x + x2 + 88 + -3x + -1x2

Reorder the terms:
88 + -3x + -1x2 = -88 + 88 + 3x + -3x + x2 + -1x2

Combine like terms: -88 + 88 = 0
88 + -3x + -1x2 = 0 + 3x + -3x + x2 + -1x2
88 + -3x + -1x2 = 3x + -3x + x2 + -1x2

Combine like terms: 3x + -3x = 0
88 + -3x + -1x2 = 0 + x2 + -1x2
88 + -3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
88 + -3x + -1x2 = 0

Factor a trinomial.
(8 + -1x)(11 + x) = 0

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 '(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 = {8, -11}

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