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Simplifying 2y2 = 9y + -9 Reorder the terms: 2y2 = -9 + 9y Solving 2y2 = -9 + 9y Solving for variable 'y'. Reorder the terms: 9 + -9y + 2y2 = -9 + 9y + 9 + -9y Reorder the terms: 9 + -9y + 2y2 = -9 + 9 + 9y + -9y Combine like terms: -9 + 9 = 0 9 + -9y + 2y2 = 0 + 9y + -9y 9 + -9y + 2y2 = 9y + -9y Combine like terms: 9y + -9y = 0 9 + -9y + 2y2 = 0 Factor a trinomial. (3 + -2y)(3 + -1y) = 0Subproblem 1
Set the factor '(3 + -2y)' equal to zero and attempt to solve: Simplifying 3 + -2y = 0 Solving 3 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2y = 0 + -3 -2y = 0 + -3 Combine like terms: 0 + -3 = -3 -2y = -3 Divide each side by '-2'. y = 1.5 Simplifying y = 1.5Subproblem 2
Set the factor '(3 + -1y)' equal to zero and attempt to solve: Simplifying 3 + -1y = 0 Solving 3 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1y = 0 + -3 -1y = 0 + -3 Combine like terms: 0 + -3 = -3 -1y = -3 Divide each side by '-1'. y = 3 Simplifying y = 3Solution
y = {1.5, 3}
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