3y^2+24y-7y-56=

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Solution for 3y^2+24y-7y-56= equation:


Simplifying
3y2 + 24y + -7y + -56 = 0

Reorder the terms:
-56 + 24y + -7y + 3y2 = 0

Combine like terms: 24y + -7y = 17y
-56 + 17y + 3y2 = 0

Solving
-56 + 17y + 3y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-8 + -1y)(7 + -3y) = 0

Subproblem 1

Set the factor '(-8 + -1y)' equal to zero and attempt to solve: Simplifying -8 + -1y = 0 Solving -8 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1y = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1y = 0 + 8 -1y = 0 + 8 Combine like terms: 0 + 8 = 8 -1y = 8 Divide each side by '-1'. y = -8 Simplifying y = -8

Subproblem 2

Set the factor '(7 + -3y)' equal to zero and attempt to solve: Simplifying 7 + -3y = 0 Solving 7 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3y = 0 + -7 -3y = 0 + -7 Combine like terms: 0 + -7 = -7 -3y = -7 Divide each side by '-3'. y = 2.333333333 Simplifying y = 2.333333333

Solution

y = {-8, 2.333333333}

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