(y+5)(5y-3)=

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Solution for (y+5)(5y-3)= equation:


Simplifying
(y + 5)(5y + -3) = 0

Reorder the terms:
(5 + y)(5y + -3) = 0

Reorder the terms:
(5 + y)(-3 + 5y) = 0

Multiply (5 + y) * (-3 + 5y)
(5(-3 + 5y) + y(-3 + 5y)) = 0
((-3 * 5 + 5y * 5) + y(-3 + 5y)) = 0
((-15 + 25y) + y(-3 + 5y)) = 0
(-15 + 25y + (-3 * y + 5y * y)) = 0
(-15 + 25y + (-3y + 5y2)) = 0

Combine like terms: 25y + -3y = 22y
(-15 + 22y + 5y2) = 0

Solving
-15 + 22y + 5y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + -1y)(3 + -5y) = 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 '(3 + -5y)' equal to zero and attempt to solve: Simplifying 3 + -5y = 0 Solving 3 + -5y = 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 + -5y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5y = 0 + -3 -5y = 0 + -3 Combine like terms: 0 + -3 = -3 -5y = -3 Divide each side by '-5'. y = 0.6 Simplifying y = 0.6

Solution

y = {-5, 0.6}

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