0=34y-y^2-120

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Solution for 0=34y-y^2-120 equation:


Simplifying
0 = 34y + -1y2 + -120

Reorder the terms:
0 = -120 + 34y + -1y2

Solving
0 = -120 + 34y + -1y2

Solving for variable 'y'.

Combine like terms: 0 + 120 = 120
120 + -34y + y2 = -120 + 34y + -1y2 + 120 + -34y + y2

Reorder the terms:
120 + -34y + y2 = -120 + 120 + 34y + -34y + -1y2 + y2

Combine like terms: -120 + 120 = 0
120 + -34y + y2 = 0 + 34y + -34y + -1y2 + y2
120 + -34y + y2 = 34y + -34y + -1y2 + y2

Combine like terms: 34y + -34y = 0
120 + -34y + y2 = 0 + -1y2 + y2
120 + -34y + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
120 + -34y + y2 = 0

Factor a trinomial.
(4 + -1y)(30 + -1y) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(30 + -1y)' equal to zero and attempt to solve: Simplifying 30 + -1y = 0 Solving 30 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + -1y = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -1y = 0 + -30 -1y = 0 + -30 Combine like terms: 0 + -30 = -30 -1y = -30 Divide each side by '-1'. y = 30 Simplifying y = 30

Solution

y = {4, 30}

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