y^2=6y+27

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Solution for y^2=6y+27 equation:


Simplifying
y2 = 6y + 27

Reorder the terms:
y2 = 27 + 6y

Solving
y2 = 27 + 6y

Solving for variable 'y'.

Reorder the terms:
-27 + -6y + y2 = 27 + 6y + -27 + -6y

Reorder the terms:
-27 + -6y + y2 = 27 + -27 + 6y + -6y

Combine like terms: 27 + -27 = 0
-27 + -6y + y2 = 0 + 6y + -6y
-27 + -6y + y2 = 6y + -6y

Combine like terms: 6y + -6y = 0
-27 + -6y + y2 = 0

Factor a trinomial.
(-3 + -1y)(9 + -1y) = 0

Subproblem 1

Set the factor '(-3 + -1y)' equal to zero and attempt to solve: Simplifying -3 + -1y = 0 Solving -3 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1y = 0 + 3 -1y = 0 + 3 Combine like terms: 0 + 3 = 3 -1y = 3 Divide each side by '-1'. y = -3 Simplifying y = -3

Subproblem 2

Set the factor '(9 + -1y)' equal to zero and attempt to solve: Simplifying 9 + -1y = 0 Solving 9 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1y = 0 + -9 -1y = 0 + -9 Combine like terms: 0 + -9 = -9 -1y = -9 Divide each side by '-1'. y = 9 Simplifying y = 9

Solution

y = {-3, 9}

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