-2y^2+24y-40=0

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Solution for -2y^2+24y-40=0 equation:


Simplifying
-2y2 + 24y + -40 = 0

Reorder the terms:
-40 + 24y + -2y2 = 0

Solving
-40 + 24y + -2y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-20 + 12y + -1y2) = 0

Factor a trinomial.
2((-10 + y)(2 + -1y)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-10 + y)' equal to zero and attempt to solve: Simplifying -10 + y = 0 Solving -10 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + y = 0 + 10 Combine like terms: -10 + 10 = 0 0 + y = 0 + 10 y = 0 + 10 Combine like terms: 0 + 10 = 10 y = 10 Simplifying y = 10

Subproblem 2

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

Solution

y = {10, 2}

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