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Simplifying 28y2 + -27y + -10 = 0 Reorder the terms: -10 + -27y + 28y2 = 0 Solving -10 + -27y + 28y2 = 0 Solving for variable 'y'. Factor a trinomial. (-2 + -7y)(5 + -4y) = 0Subproblem 1
Set the factor '(-2 + -7y)' equal to zero and attempt to solve: Simplifying -2 + -7y = 0 Solving -2 + -7y = 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 + -7y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7y = 0 + 2 -7y = 0 + 2 Combine like terms: 0 + 2 = 2 -7y = 2 Divide each side by '-7'. y = -0.2857142857 Simplifying y = -0.2857142857Subproblem 2
Set the factor '(5 + -4y)' equal to zero and attempt to solve: Simplifying 5 + -4y = 0 Solving 5 + -4y = 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 + -4y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4y = 0 + -5 -4y = 0 + -5 Combine like terms: 0 + -5 = -5 -4y = -5 Divide each side by '-4'. y = 1.25 Simplifying y = 1.25Solution
y = {-0.2857142857, 1.25}
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