x^2-6x+9=121

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Solution for x^2-6x+9=121 equation:


Simplifying
x2 + -6x + 9 = 121

Reorder the terms:
9 + -6x + x2 = 121

Solving
9 + -6x + x2 = 121

Solving for variable 'x'.

Reorder the terms:
9 + -121 + -6x + x2 = 121 + -121

Combine like terms: 9 + -121 = -112
-112 + -6x + x2 = 121 + -121

Combine like terms: 121 + -121 = 0
-112 + -6x + x2 = 0

Factor a trinomial.
(-8 + -1x)(14 + -1x) = 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 '(14 + -1x)' equal to zero and attempt to solve: Simplifying 14 + -1x = 0 Solving 14 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1x = 0 + -14 -1x = 0 + -14 Combine like terms: 0 + -14 = -14 -1x = -14 Divide each side by '-1'. x = 14 Simplifying x = 14

Solution

x = {-8, 14}

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