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Simplifying 2y2 + 4y = 9y Reorder the terms: 4y + 2y2 = 9y Solving 4y + 2y2 = 9y Solving for variable 'y'. Reorder the terms: 4y + -9y + 2y2 = 9y + -9y Combine like terms: 4y + -9y = -5y -5y + 2y2 = 9y + -9y Combine like terms: 9y + -9y = 0 -5y + 2y2 = 0 Factor out the Greatest Common Factor (GCF), 'y'. y(-5 + 2y) = 0Subproblem 1
Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0Subproblem 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 = {0, 2.5}
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