(5y-6)(3+y)=0

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Solution for (5y-6)(3+y)=0 equation:


Simplifying
(5y + -6)(3 + y) = 0

Reorder the terms:
(-6 + 5y)(3 + y) = 0

Multiply (-6 + 5y) * (3 + y)
(-6(3 + y) + 5y * (3 + y)) = 0
((3 * -6 + y * -6) + 5y * (3 + y)) = 0
((-18 + -6y) + 5y * (3 + y)) = 0
(-18 + -6y + (3 * 5y + y * 5y)) = 0
(-18 + -6y + (15y + 5y2)) = 0

Combine like terms: -6y + 15y = 9y
(-18 + 9y + 5y2) = 0

Solving
-18 + 9y + 5y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-3 + -1y)(6 + -5y) = 0

Subproblem 1

Set the factor '(-3 + -1y)' equal to zero and attempt to solve: Simplifying -3 + -1y = 0 Solving -3 + -1y = 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 + -1y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1y = 0 + 3 -1y = 0 + 3 Combine like terms: 0 + 3 = 3 -1y = 3 Divide each side by '-1'. y = -3 Simplifying y = -3

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 = {-3, 1.2}

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