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Simplifying 9y2 = -18y + 16 Reorder the terms: 9y2 = 16 + -18y Solving 9y2 = 16 + -18y Solving for variable 'y'. Reorder the terms: -16 + 18y + 9y2 = 16 + -18y + -16 + 18y Reorder the terms: -16 + 18y + 9y2 = 16 + -16 + -18y + 18y Combine like terms: 16 + -16 = 0 -16 + 18y + 9y2 = 0 + -18y + 18y -16 + 18y + 9y2 = -18y + 18y Combine like terms: -18y + 18y = 0 -16 + 18y + 9y2 = 0 Factor a trinomial. (-8 + -3y)(2 + -3y) = 0Subproblem 1
Set the factor '(-8 + -3y)' equal to zero and attempt to solve: Simplifying -8 + -3y = 0 Solving -8 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -3y = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3y = 0 + 8 -3y = 0 + 8 Combine like terms: 0 + 8 = 8 -3y = 8 Divide each side by '-3'. y = -2.666666667 Simplifying y = -2.666666667Subproblem 2
Set the factor '(2 + -3y)' equal to zero and attempt to solve: Simplifying 2 + -3y = 0 Solving 2 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3y = 0 + -2 -3y = 0 + -2 Combine like terms: 0 + -2 = -2 -3y = -2 Divide each side by '-3'. y = 0.6666666667 Simplifying y = 0.6666666667Solution
y = {-2.666666667, 0.6666666667}
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