22y-y^2=72

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Solution for 22y-y^2=72 equation:


Simplifying
22y + -1y2 = 72

Solving
22y + -1y2 = 72

Solving for variable 'y'.

Reorder the terms:
-72 + 22y + -1y2 = 72 + -72

Combine like terms: 72 + -72 = 0
-72 + 22y + -1y2 = 0

Factor a trinomial.
(-18 + y)(4 + -1y) = 0

Subproblem 1

Set the factor '(-18 + y)' equal to zero and attempt to solve: Simplifying -18 + y = 0 Solving -18 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + y = 0 + 18 Combine like terms: -18 + 18 = 0 0 + y = 0 + 18 y = 0 + 18 Combine like terms: 0 + 18 = 18 y = 18 Simplifying y = 18

Subproblem 2

Set the factor '(4 + -1y)' equal to zero and attempt to solve: Simplifying 4 + -1y = 0 Solving 4 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1y = 0 + -4 -1y = 0 + -4 Combine like terms: 0 + -4 = -4 -1y = -4 Divide each side by '-1'. y = 4 Simplifying y = 4

Solution

y = {18, 4}

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