-36y=-243-y^2

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Solution for -36y=-243-y^2 equation:


Simplifying
-36y = -243 + -1y2

Solving
-36y = -243 + -1y2

Solving for variable 'y'.

Reorder the terms:
243 + -36y + y2 = -243 + -1y2 + 243 + y2

Reorder the terms:
243 + -36y + y2 = -243 + 243 + -1y2 + y2

Combine like terms: -243 + 243 = 0
243 + -36y + y2 = 0 + -1y2 + y2
243 + -36y + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
243 + -36y + y2 = 0

Factor a trinomial.
(9 + -1y)(27 + -1y) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(27 + -1y)' equal to zero and attempt to solve: Simplifying 27 + -1y = 0 Solving 27 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-27' to each side of the equation. 27 + -27 + -1y = 0 + -27 Combine like terms: 27 + -27 = 0 0 + -1y = 0 + -27 -1y = 0 + -27 Combine like terms: 0 + -27 = -27 -1y = -27 Divide each side by '-1'. y = 27 Simplifying y = 27

Solution

y = {9, 27}

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