36y=-4y^2-81

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Solution for 36y=-4y^2-81 equation:


Simplifying
36y = -4y2 + -81

Reorder the terms:
36y = -81 + -4y2

Solving
36y = -81 + -4y2

Solving for variable 'y'.

Reorder the terms:
81 + 36y + 4y2 = -81 + -4y2 + 81 + 4y2

Reorder the terms:
81 + 36y + 4y2 = -81 + 81 + -4y2 + 4y2

Combine like terms: -81 + 81 = 0
81 + 36y + 4y2 = 0 + -4y2 + 4y2
81 + 36y + 4y2 = -4y2 + 4y2

Combine like terms: -4y2 + 4y2 = 0
81 + 36y + 4y2 = 0

Factor a trinomial.
(9 + 2y)(9 + 2y) = 0

Subproblem 1

Set the factor '(9 + 2y)' equal to zero and attempt to solve: Simplifying 9 + 2y = 0 Solving 9 + 2y = 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 + 2y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2y = 0 + -9 2y = 0 + -9 Combine like terms: 0 + -9 = -9 2y = -9 Divide each side by '2'. y = -4.5 Simplifying y = -4.5

Subproblem 2

Set the factor '(9 + 2y)' equal to zero and attempt to solve: Simplifying 9 + 2y = 0 Solving 9 + 2y = 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 + 2y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2y = 0 + -9 2y = 0 + -9 Combine like terms: 0 + -9 = -9 2y = -9 Divide each side by '2'. y = -4.5 Simplifying y = -4.5

Solution

y = {-4.5, -4.5}

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