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Simplifying -8 = -9y2 + -14y Reorder the terms: -8 = -14y + -9y2 Solving -8 = -14y + -9y2 Solving for variable 'y'. Reorder the terms: -8 + 14y + 9y2 = -14y + 14y + -9y2 + 9y2 Combine like terms: -14y + 14y = 0 -8 + 14y + 9y2 = 0 + -9y2 + 9y2 -8 + 14y + 9y2 = -9y2 + 9y2 Combine like terms: -9y2 + 9y2 = 0 -8 + 14y + 9y2 = 0 Factor a trinomial. (-2 + -1y)(4 + -9y) = 0Subproblem 1
Set the factor '(-2 + -1y)' equal to zero and attempt to solve: Simplifying -2 + -1y = 0 Solving -2 + -1y = 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 + -1y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1y = 0 + 2 -1y = 0 + 2 Combine like terms: 0 + 2 = 2 -1y = 2 Divide each side by '-1'. y = -2 Simplifying y = -2Subproblem 2
Set the factor '(4 + -9y)' equal to zero and attempt to solve: Simplifying 4 + -9y = 0 Solving 4 + -9y = 0 Move all terms containing y to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -9y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -9y = 0 + -4 -9y = 0 + -4 Combine like terms: 0 + -4 = -4 -9y = -4 Divide each side by '-9'. y = 0.4444444444 Simplifying y = 0.4444444444Solution
y = {-2, 0.4444444444}
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