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Simplifying 21y2 + -32y + -5 = 0 Reorder the terms: -5 + -32y + 21y2 = 0 Solving -5 + -32y + 21y2 = 0 Solving for variable 'y'. Factor a trinomial. (-1 + -7y)(5 + -3y) = 0Subproblem 1
Set the factor '(-1 + -7y)' equal to zero and attempt to solve: Simplifying -1 + -7y = 0 Solving -1 + -7y = 0 Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -7y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -7y = 0 + 1 -7y = 0 + 1 Combine like terms: 0 + 1 = 1 -7y = 1 Divide each side by '-7'. y = -0.1428571429 Simplifying y = -0.1428571429Subproblem 2
Set the factor '(5 + -3y)' equal to zero and attempt to solve: Simplifying 5 + -3y = 0 Solving 5 + -3y = 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 + -3y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3y = 0 + -5 -3y = 0 + -5 Combine like terms: 0 + -5 = -5 -3y = -5 Divide each side by '-3'. y = 1.666666667 Simplifying y = 1.666666667Solution
y = {-0.1428571429, 1.666666667}
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