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Simplifying y(2y + 9) = -9 Reorder the terms: y(9 + 2y) = -9 (9 * y + 2y * y) = -9 (9y + 2y2) = -9 Solving 9y + 2y2 = -9 Solving for variable 'y'. Reorder the terms: 9 + 9y + 2y2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + 9y + 2y2 = 0 Factor a trinomial. (3 + y)(3 + 2y) = 0Subproblem 1
Set the factor '(3 + y)' equal to zero and attempt to solve: Simplifying 3 + y = 0 Solving 3 + y = 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 + y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + y = 0 + -3 y = 0 + -3 Combine like terms: 0 + -3 = -3 y = -3 Simplifying y = -3Subproblem 2
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 = -1.5Solution
y = {-3, -1.5}
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