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Simplifying 4y2 = -20y + -25 Reorder the terms: 4y2 = -25 + -20y Solving 4y2 = -25 + -20y Solving for variable 'y'. Reorder the terms: 25 + 20y + 4y2 = -25 + -20y + 25 + 20y Reorder the terms: 25 + 20y + 4y2 = -25 + 25 + -20y + 20y Combine like terms: -25 + 25 = 0 25 + 20y + 4y2 = 0 + -20y + 20y 25 + 20y + 4y2 = -20y + 20y Combine like terms: -20y + 20y = 0 25 + 20y + 4y2 = 0 Factor a trinomial. (5 + 2y)(5 + 2y) = 0Subproblem 1
Set the factor '(5 + 2y)' equal to zero and attempt to solve: Simplifying 5 + 2y = 0 Solving 5 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2y = 0 + -5 2y = 0 + -5 Combine like terms: 0 + -5 = -5 2y = -5 Divide each side by '2'. y = -2.5 Simplifying y = -2.5Subproblem 2
Set the factor '(5 + 2y)' equal to zero and attempt to solve: Simplifying 5 + 2y = 0 Solving 5 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2y = 0 + -5 2y = 0 + -5 Combine like terms: 0 + -5 = -5 2y = -5 Divide each side by '2'. y = -2.5 Simplifying y = -2.5Solution
y = {-2.5, -2.5}
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