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Simplifying 25y2 + -80y + 28 = 0 Reorder the terms: 28 + -80y + 25y2 = 0 Solving 28 + -80y + 25y2 = 0 Solving for variable 'y'. Factor a trinomial. (2 + -5y)(14 + -5y) = 0Subproblem 1
Set the factor '(2 + -5y)' equal to zero and attempt to solve: Simplifying 2 + -5y = 0 Solving 2 + -5y = 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 + -5y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5y = 0 + -2 -5y = 0 + -2 Combine like terms: 0 + -2 = -2 -5y = -2 Divide each side by '-5'. y = 0.4 Simplifying y = 0.4Subproblem 2
Set the factor '(14 + -5y)' equal to zero and attempt to solve: Simplifying 14 + -5y = 0 Solving 14 + -5y = 0 Move all terms containing y to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -5y = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -5y = 0 + -14 -5y = 0 + -14 Combine like terms: 0 + -14 = -14 -5y = -14 Divide each side by '-5'. y = 2.8 Simplifying y = 2.8Solution
y = {0.4, 2.8}
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