8y-4+y^2+31=180

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Solution for 8y-4+y^2+31=180 equation:


Simplifying
8y + -4 + y2 + 31 = 180

Reorder the terms:
-4 + 31 + 8y + y2 = 180

Combine like terms: -4 + 31 = 27
27 + 8y + y2 = 180

Solving
27 + 8y + y2 = 180

Solving for variable 'y'.

Reorder the terms:
27 + -180 + 8y + y2 = 180 + -180

Combine like terms: 27 + -180 = -153
-153 + 8y + y2 = 180 + -180

Combine like terms: 180 + -180 = 0
-153 + 8y + y2 = 0

Factor a trinomial.
(-17 + -1y)(9 + -1y) = 0

Subproblem 1

Set the factor '(-17 + -1y)' equal to zero and attempt to solve: Simplifying -17 + -1y = 0 Solving -17 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -1y = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -1y = 0 + 17 -1y = 0 + 17 Combine like terms: 0 + 17 = 17 -1y = 17 Divide each side by '-1'. y = -17 Simplifying y = -17

Subproblem 2

Set the factor '(9 + -1y)' equal to zero and attempt to solve: Simplifying 9 + -1y = 0 Solving 9 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1y = 0 + -9 -1y = 0 + -9 Combine like terms: 0 + -9 = -9 -1y = -9 Divide each side by '-1'. y = 9 Simplifying y = 9

Solution

y = {-17, 9}

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