2y^2=10y+12

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Solution for 2y^2=10y+12 equation:


Simplifying
2y2 = 10y + 12

Reorder the terms:
2y2 = 12 + 10y

Solving
2y2 = 12 + 10y

Solving for variable 'y'.

Reorder the terms:
-12 + -10y + 2y2 = 12 + 10y + -12 + -10y

Reorder the terms:
-12 + -10y + 2y2 = 12 + -12 + 10y + -10y

Combine like terms: 12 + -12 = 0
-12 + -10y + 2y2 = 0 + 10y + -10y
-12 + -10y + 2y2 = 10y + -10y

Combine like terms: 10y + -10y = 0
-12 + -10y + 2y2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-6 + -5y + y2) = 0

Factor a trinomial.
2((-1 + -1y)(6 + -1y)) = 0

Ignore the factor 2.

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 '(6 + -1y)' equal to zero and attempt to solve: Simplifying 6 + -1y = 0 Solving 6 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1y = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1y = 0 + -6 -1y = 0 + -6 Combine like terms: 0 + -6 = -6 -1y = -6 Divide each side by '-1'. y = 6 Simplifying y = 6

Solution

y = {-1, 6}

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