0=y^2+16y-36

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Solution for 0=y^2+16y-36 equation:


Simplifying
0 = y2 + 16y + -36

Reorder the terms:
0 = -36 + 16y + y2

Solving
0 = -36 + 16y + y2

Solving for variable 'y'.

Combine like terms: 0 + 36 = 36
36 + -16y + -1y2 = -36 + 16y + y2 + 36 + -16y + -1y2

Reorder the terms:
36 + -16y + -1y2 = -36 + 36 + 16y + -16y + y2 + -1y2

Combine like terms: -36 + 36 = 0
36 + -16y + -1y2 = 0 + 16y + -16y + y2 + -1y2
36 + -16y + -1y2 = 16y + -16y + y2 + -1y2

Combine like terms: 16y + -16y = 0
36 + -16y + -1y2 = 0 + y2 + -1y2
36 + -16y + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
36 + -16y + -1y2 = 0

Factor a trinomial.
(2 + -1y)(18 + y) = 0

Subproblem 1

Set the factor '(2 + -1y)' equal to zero and attempt to solve: Simplifying 2 + -1y = 0 Solving 2 + -1y = 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 + -1y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1y = 0 + -2 -1y = 0 + -2 Combine like terms: 0 + -2 = -2 -1y = -2 Divide each side by '-1'. y = 2 Simplifying y = 2

Subproblem 2

Set the factor '(18 + y)' equal to zero and attempt to solve: Simplifying 18 + y = 0 Solving 18 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + y = 0 + -18 Combine like terms: 18 + -18 = 0 0 + y = 0 + -18 y = 0 + -18 Combine like terms: 0 + -18 = -18 y = -18 Simplifying y = -18

Solution

y = {2, -18}

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