2y^2+10y-5y-25=

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Solution for 2y^2+10y-5y-25= equation:


Simplifying
2y2 + 10y + -5y + -25 = 0

Reorder the terms:
-25 + 10y + -5y + 2y2 = 0

Combine like terms: 10y + -5y = 5y
-25 + 5y + 2y2 = 0

Solving
-25 + 5y + 2y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + -1y)(5 + -2y) = 0

Subproblem 1

Set the factor '(-5 + -1y)' equal to zero and attempt to solve: Simplifying -5 + -1y = 0 Solving -5 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1y = 0 + 5 -1y = 0 + 5 Combine like terms: 0 + 5 = 5 -1y = 5 Divide each side by '-1'. y = -5 Simplifying y = -5

Subproblem 2

Set the factor '(5 + -2y)' equal to zero and attempt to solve: Simplifying 5 + -2y = 0 Solving 5 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2y = 0 + -5 -2y = 0 + -5 Combine like terms: 0 + -5 = -5 -2y = -5 Divide each side by '-2'. y = 2.5 Simplifying y = 2.5

Solution

y = {-5, 2.5}

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