x^2+15x-8=8

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Solution for x^2+15x-8=8 equation:


Simplifying
x2 + 15x + -8 = 8

Reorder the terms:
-8 + 15x + x2 = 8

Solving
-8 + 15x + x2 = 8

Solving for variable 'x'.

Reorder the terms:
-8 + -8 + 15x + x2 = 8 + -8

Combine like terms: -8 + -8 = -16
-16 + 15x + x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-16 + 15x + x2 = 0

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

Subproblem 1

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

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 = {-16, 1}

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