162y^2-126y-16=0

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Solution for 162y^2-126y-16=0 equation:


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 = -0.1111111111

Subproblem 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 = 0.8888888889

Solution

y = {-0.1111111111, 0.8888888889}

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