3y^2=2y+5

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Solution for 3y^2=2y+5 equation:


Simplifying
3y2 = 2y + 5

Reorder the terms:
3y2 = 5 + 2y

Solving
3y2 = 5 + 2y

Solving for variable 'y'.

Reorder the terms:
-5 + -2y + 3y2 = 5 + 2y + -5 + -2y

Reorder the terms:
-5 + -2y + 3y2 = 5 + -5 + 2y + -2y

Combine like terms: 5 + -5 = 0
-5 + -2y + 3y2 = 0 + 2y + -2y
-5 + -2y + 3y2 = 2y + -2y

Combine like terms: 2y + -2y = 0
-5 + -2y + 3y2 = 0

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

Subproblem 1

Set the factor '(-1 + -1y)' equal to zero and attempt to solve: Simplifying -1 + -1y = 0 Solving -1 + -1y = 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 + -1y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1y = 0 + 1 -1y = 0 + 1 Combine like terms: 0 + 1 = 1 -1y = 1 Divide each side by '-1'. y = -1 Simplifying y = -1

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, 1.666666667}

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