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Simplifying 2y2 = 5y + 12 Reorder the terms: 2y2 = 12 + 5y Solving 2y2 = 12 + 5y Solving for variable 'y'. Reorder the terms: -12 + -5y + 2y2 = 12 + 5y + -12 + -5y Reorder the terms: -12 + -5y + 2y2 = 12 + -12 + 5y + -5y Combine like terms: 12 + -12 = 0 -12 + -5y + 2y2 = 0 + 5y + -5y -12 + -5y + 2y2 = 5y + -5y Combine like terms: 5y + -5y = 0 -12 + -5y + 2y2 = 0 Factor a trinomial. (-3 + -2y)(4 + -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 '(4 + -1y)' equal to zero and attempt to solve: Simplifying 4 + -1y = 0 Solving 4 + -1y = 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 + -1y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1y = 0 + -4 -1y = 0 + -4 Combine like terms: 0 + -4 = -4 -1y = -4 Divide each side by '-1'. y = 4 Simplifying y = 4Solution
y = {-1.5, 4}
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