3y^2=-8y-5

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Solution for 3y^2=-8y-5 equation:


Simplifying
3y2 = -8y + -5

Reorder the terms:
3y2 = -5 + -8y

Solving
3y2 = -5 + -8y

Solving for variable 'y'.

Reorder the terms:
5 + 8y + 3y2 = -5 + -8y + 5 + 8y

Reorder the terms:
5 + 8y + 3y2 = -5 + 5 + -8y + 8y

Combine like terms: -5 + 5 = 0
5 + 8y + 3y2 = 0 + -8y + 8y
5 + 8y + 3y2 = -8y + 8y

Combine like terms: -8y + 8y = 0
5 + 8y + 3y2 = 0

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

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

Solution

y = {-1.666666667, -1}

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