3y^2=27y+30

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Solution for 3y^2=27y+30 equation:


Simplifying
3y2 = 27y + 30

Reorder the terms:
3y2 = 30 + 27y

Solving
3y2 = 30 + 27y

Solving for variable 'y'.

Reorder the terms:
-30 + -27y + 3y2 = 30 + 27y + -30 + -27y

Reorder the terms:
-30 + -27y + 3y2 = 30 + -30 + 27y + -27y

Combine like terms: 30 + -30 = 0
-30 + -27y + 3y2 = 0 + 27y + -27y
-30 + -27y + 3y2 = 27y + -27y

Combine like terms: 27y + -27y = 0
-30 + -27y + 3y2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-10 + -9y + y2) = 0

Factor a trinomial.
3((-1 + -1y)(10 + -1y)) = 0

Ignore the factor 3.

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 '(10 + -1y)' equal to zero and attempt to solve: Simplifying 10 + -1y = 0 Solving 10 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1y = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1y = 0 + -10 -1y = 0 + -10 Combine like terms: 0 + -10 = -10 -1y = -10 Divide each side by '-1'. y = 10 Simplifying y = 10

Solution

y = {-1, 10}

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