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Simplifying 121 = -1y2 + -22y Reorder the terms: 121 = -22y + -1y2 Solving 121 = -22y + -1y2 Solving for variable 'y'. Reorder the terms: 121 + 22y + y2 = -22y + 22y + -1y2 + y2 Combine like terms: -22y + 22y = 0 121 + 22y + y2 = 0 + -1y2 + y2 121 + 22y + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 121 + 22y + y2 = 0 Factor a trinomial. (11 + y)(11 + y) = 0Subproblem 1
Set the factor '(11 + y)' equal to zero and attempt to solve: Simplifying 11 + y = 0 Solving 11 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + y = 0 + -11 Combine like terms: 11 + -11 = 0 0 + y = 0 + -11 y = 0 + -11 Combine like terms: 0 + -11 = -11 y = -11 Simplifying y = -11Subproblem 2
Set the factor '(11 + y)' equal to zero and attempt to solve: Simplifying 11 + y = 0 Solving 11 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + y = 0 + -11 Combine like terms: 11 + -11 = 0 0 + y = 0 + -11 y = 0 + -11 Combine like terms: 0 + -11 = -11 y = -11 Simplifying y = -11Solution
y = {-11, -11}
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