136=x^2+9x

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Solution for 136=x^2+9x equation:


Simplifying
136 = x2 + 9x

Reorder the terms:
136 = 9x + x2

Solving
136 = 9x + x2

Solving for variable 'x'.

Reorder the terms:
136 + -9x + -1x2 = 9x + -9x + x2 + -1x2

Combine like terms: 9x + -9x = 0
136 + -9x + -1x2 = 0 + x2 + -1x2
136 + -9x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
136 + -9x + -1x2 = 0

Factor a trinomial.
(8 + -1x)(17 + 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 '(17 + x)' equal to zero and attempt to solve: Simplifying 17 + x = 0 Solving 17 + x = 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 + x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + x = 0 + -17 x = 0 + -17 Combine like terms: 0 + -17 = -17 x = -17 Simplifying x = -17

Solution

x = {8, -17}

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