2y^2-y^2-12y+10y+17-25=0

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Solution for 2y^2-y^2-12y+10y+17-25=0 equation:


Simplifying
2y2 + -1y2 + -12y + 10y + 17 + -25 = 0

Reorder the terms:
17 + -25 + -12y + 10y + 2y2 + -1y2 = 0

Combine like terms: 17 + -25 = -8
-8 + -12y + 10y + 2y2 + -1y2 = 0

Combine like terms: -12y + 10y = -2y
-8 + -2y + 2y2 + -1y2 = 0

Combine like terms: 2y2 + -1y2 = 1y2
-8 + -2y + 1y2 = 0

Solving
-8 + -2y + 1y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-2 + -1y)(4 + -1y) = 0

Subproblem 1

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

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 = {-2, 4}

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