-30y-25=9y^2

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Solution for -30y-25=9y^2 equation:


Simplifying
-30y + -25 = 9y2

Reorder the terms:
-25 + -30y = 9y2

Solving
-25 + -30y = 9y2

Solving for variable 'y'.

Combine like terms: 9y2 + -9y2 = 0
-25 + -30y + -9y2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(25 + 30y + 9y2) = 0

Factor a trinomial.
-1((5 + 3y)(5 + 3y)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(5 + 3y)' equal to zero and attempt to solve: Simplifying 5 + 3y = 0 Solving 5 + 3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3y = 0 + -5 3y = 0 + -5 Combine like terms: 0 + -5 = -5 3y = -5 Divide each side by '3'. y = -1.666666667 Simplifying y = -1.666666667

Subproblem 2

Set the factor '(5 + 3y)' equal to zero and attempt to solve: Simplifying 5 + 3y = 0 Solving 5 + 3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3y = 0 + -5 3y = 0 + -5 Combine like terms: 0 + -5 = -5 3y = -5 Divide each side by '3'. y = -1.666666667 Simplifying y = -1.666666667

Solution

y = {-1.666666667, -1.666666667}

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