x^2+8x-22=9x-2

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Solution for x^2+8x-22=9x-2 equation:


Simplifying
x2 + 8x + -22 = 9x + -2

Reorder the terms:
-22 + 8x + x2 = 9x + -2

Reorder the terms:
-22 + 8x + x2 = -2 + 9x

Solving
-22 + 8x + x2 = -2 + 9x

Solving for variable 'x'.

Reorder the terms:
-22 + 2 + 8x + -9x + x2 = -2 + 9x + 2 + -9x

Combine like terms: -22 + 2 = -20
-20 + 8x + -9x + x2 = -2 + 9x + 2 + -9x

Combine like terms: 8x + -9x = -1x
-20 + -1x + x2 = -2 + 9x + 2 + -9x

Reorder the terms:
-20 + -1x + x2 = -2 + 2 + 9x + -9x

Combine like terms: -2 + 2 = 0
-20 + -1x + x2 = 0 + 9x + -9x
-20 + -1x + x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
-20 + -1x + x2 = 0

Factor a trinomial.
(-4 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-4, 5}

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