2y^2=9y-9

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Solution for 2y^2=9y-9 equation:


Simplifying
2y2 = 9y + -9

Reorder the terms:
2y2 = -9 + 9y

Solving
2y2 = -9 + 9y

Solving for variable 'y'.

Reorder the terms:
9 + -9y + 2y2 = -9 + 9y + 9 + -9y

Reorder the terms:
9 + -9y + 2y2 = -9 + 9 + 9y + -9y

Combine like terms: -9 + 9 = 0
9 + -9y + 2y2 = 0 + 9y + -9y
9 + -9y + 2y2 = 9y + -9y

Combine like terms: 9y + -9y = 0
9 + -9y + 2y2 = 0

Factor a trinomial.
(3 + -2y)(3 + -1y) = 0

Subproblem 1

Set the factor '(3 + -2y)' equal to zero and attempt to solve: Simplifying 3 + -2y = 0 Solving 3 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2y = 0 + -3 -2y = 0 + -3 Combine like terms: 0 + -3 = -3 -2y = -3 Divide each side by '-2'. y = 1.5 Simplifying y = 1.5

Subproblem 2

Set the factor '(3 + -1y)' equal to zero and attempt to solve: Simplifying 3 + -1y = 0 Solving 3 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1y = 0 + -3 -1y = 0 + -3 Combine like terms: 0 + -3 = -3 -1y = -3 Divide each side by '-1'. y = 3 Simplifying y = 3

Solution

y = {1.5, 3}

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