120+x^2-200+11x=100

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Solution for 120+x^2-200+11x=100 equation:


Simplifying
120 + x2 + -200 + 11x = 100

Reorder the terms:
120 + -200 + 11x + x2 = 100

Combine like terms: 120 + -200 = -80
-80 + 11x + x2 = 100

Solving
-80 + 11x + x2 = 100

Solving for variable 'x'.

Reorder the terms:
-80 + -100 + 11x + x2 = 100 + -100

Combine like terms: -80 + -100 = -180
-180 + 11x + x2 = 100 + -100

Combine like terms: 100 + -100 = 0
-180 + 11x + x2 = 0

Factor a trinomial.
(-20 + -1x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-20 + -1x)' equal to zero and attempt to solve: Simplifying -20 + -1x = 0 Solving -20 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + -1x = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -1x = 0 + 20 -1x = 0 + 20 Combine like terms: 0 + 20 = 20 -1x = 20 Divide each side by '-1'. x = -20 Simplifying x = -20

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-20, 9}

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