y^2+9y=22

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Solution for y^2+9y=22 equation:


Simplifying
y2 + 9y = 22

Reorder the terms:
9y + y2 = 22

Solving
9y + y2 = 22

Solving for variable 'y'.

Reorder the terms:
-22 + 9y + y2 = 22 + -22

Combine like terms: 22 + -22 = 0
-22 + 9y + y2 = 0

Factor a trinomial.
(-11 + -1y)(2 + -1y) = 0

Subproblem 1

Set the factor '(-11 + -1y)' equal to zero and attempt to solve: Simplifying -11 + -1y = 0 Solving -11 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1y = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1y = 0 + 11 -1y = 0 + 11 Combine like terms: 0 + 11 = 11 -1y = 11 Divide each side by '-1'. y = -11 Simplifying y = -11

Subproblem 2

Set the factor '(2 + -1y)' equal to zero and attempt to solve: Simplifying 2 + -1y = 0 Solving 2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1y = 0 + -2 -1y = 0 + -2 Combine like terms: 0 + -2 = -2 -1y = -2 Divide each side by '-1'. y = 2 Simplifying y = 2

Solution

y = {-11, 2}

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