2y^2-6y+5y-15=

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Solution for 2y^2-6y+5y-15= equation:


Simplifying
2y2 + -6y + 5y + -15 = 0

Reorder the terms:
-15 + -6y + 5y + 2y2 = 0

Combine like terms: -6y + 5y = -1y
-15 + -1y + 2y2 = 0

Solving
-15 + -1y + 2y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + -2y)(3 + -1y) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -1y)' equal to zero and attempt to solve: Simplifying 3 + -1y = 0 Solving 3 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1y = 0 + -3 -1y = 0 + -3 Combine like terms: 0 + -3 = -3 -1y = -3 Divide each side by '-1'. y = 3 Simplifying y = 3

Solution

y = {-2.5, 3}

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