(8+y)(2y+9)=0

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Solution for (8+y)(2y+9)=0 equation:


Simplifying
(8 + y)(2y + 9) = 0

Reorder the terms:
(8 + y)(9 + 2y) = 0

Multiply (8 + y) * (9 + 2y)
(8(9 + 2y) + y(9 + 2y)) = 0
((9 * 8 + 2y * 8) + y(9 + 2y)) = 0
((72 + 16y) + y(9 + 2y)) = 0
(72 + 16y + (9 * y + 2y * y)) = 0
(72 + 16y + (9y + 2y2)) = 0

Combine like terms: 16y + 9y = 25y
(72 + 25y + 2y2) = 0

Solving
72 + 25y + 2y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(8 + y)(9 + 2y) = 0

Subproblem 1

Set the factor '(8 + y)' equal to zero and attempt to solve: Simplifying 8 + y = 0 Solving 8 + y = 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 + y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + y = 0 + -8 y = 0 + -8 Combine like terms: 0 + -8 = -8 y = -8 Simplifying y = -8

Subproblem 2

Set the factor '(9 + 2y)' equal to zero and attempt to solve: Simplifying 9 + 2y = 0 Solving 9 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2y = 0 + -9 2y = 0 + -9 Combine like terms: 0 + -9 = -9 2y = -9 Divide each side by '2'. y = -4.5 Simplifying y = -4.5

Solution

y = {-8, -4.5}

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