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

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Solution for (5-y)(5y+3)=0 equation:


Simplifying
(5 + -1y)(5y + 3) = 0

Reorder the terms:
(5 + -1y)(3 + 5y) = 0

Multiply (5 + -1y) * (3 + 5y)
(5(3 + 5y) + -1y * (3 + 5y)) = 0
((3 * 5 + 5y * 5) + -1y * (3 + 5y)) = 0
((15 + 25y) + -1y * (3 + 5y)) = 0
(15 + 25y + (3 * -1y + 5y * -1y)) = 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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