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Simplifying 162y2 + -126y + -16 = 0 Reorder the terms: -16 + -126y + 162y2 = 0 Solving -16 + -126y + 162y2 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), '2'. 2(-8 + -63y + 81y2) = 0 Factor a trinomial. 2((-1 + -9y)(8 + -9y)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-1 + -9y)' equal to zero and attempt to solve: Simplifying -1 + -9y = 0 Solving -1 + -9y = 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 + -9y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -9y = 0 + 1 -9y = 0 + 1 Combine like terms: 0 + 1 = 1 -9y = 1 Divide each side by '-9'. y = -0.1111111111 Simplifying y = -0.1111111111Subproblem 2
Set the factor '(8 + -9y)' equal to zero and attempt to solve: Simplifying 8 + -9y = 0 Solving 8 + -9y = 0 Move all terms containing y to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -9y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -9y = 0 + -8 -9y = 0 + -8 Combine like terms: 0 + -8 = -8 -9y = -8 Divide each side by '-9'. y = 0.8888888889 Simplifying y = 0.8888888889Solution
y = {-0.1111111111, 0.8888888889}
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