x^2=9x+112

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Solution for x^2=9x+112 equation:


Simplifying
x2 = 9x + 112

Reorder the terms:
x2 = 112 + 9x

Solving
x2 = 112 + 9x

Solving for variable 'x'.

Reorder the terms:
-112 + -9x + x2 = 112 + 9x + -112 + -9x

Reorder the terms:
-112 + -9x + x2 = 112 + -112 + 9x + -9x

Combine like terms: 112 + -112 = 0
-112 + -9x + x2 = 0 + 9x + -9x
-112 + -9x + x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
-112 + -9x + x2 = 0

Factor a trinomial.
(-7 + -1x)(16 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 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 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(16 + -1x)' equal to zero and attempt to solve: Simplifying 16 + -1x = 0 Solving 16 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + -1x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + -1x = 0 + -16 -1x = 0 + -16 Combine like terms: 0 + -16 = -16 -1x = -16 Divide each side by '-1'. x = 16 Simplifying x = 16

Solution

x = {-7, 16}

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