(5-y)(5y+6)=0

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Solution for (5-y)(5y+6)=0 equation:


Simplifying
(5 + -1y)(5y + 6) = 0

Reorder the terms:
(5 + -1y)(6 + 5y) = 0

Multiply (5 + -1y) * (6 + 5y)
(5(6 + 5y) + -1y * (6 + 5y)) = 0
((6 * 5 + 5y * 5) + -1y * (6 + 5y)) = 0
((30 + 25y) + -1y * (6 + 5y)) = 0
(30 + 25y + (6 * -1y + 5y * -1y)) = 0
(30 + 25y + (-6y + -5y2)) = 0

Combine like terms: 25y + -6y = 19y
(30 + 19y + -5y2) = 0

Solving
30 + 19y + -5y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(5 + -1y)(6 + 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 '(6 + 5y)' equal to zero and attempt to solve: Simplifying 6 + 5y = 0 Solving 6 + 5y = 0 Move all terms containing y to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + 5y = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 5y = 0 + -6 5y = 0 + -6 Combine like terms: 0 + -6 = -6 5y = -6 Divide each side by '5'. y = -1.2 Simplifying y = -1.2

Solution

y = {5, -1.2}

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