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

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


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

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

Multiply (9 + 2y) * (2 + y)
(9(2 + y) + 2y * (2 + y)) = 0
((2 * 9 + y * 9) + 2y * (2 + y)) = 0
((18 + 9y) + 2y * (2 + y)) = 0
(18 + 9y + (2 * 2y + y * 2y)) = 0
(18 + 9y + (4y + 2y2)) = 0

Combine like terms: 9y + 4y = 13y
(18 + 13y + 2y2) = 0

Solving
18 + 13y + 2y2 = 0

Solving for variable 'y'.

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

Subproblem 1

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

Subproblem 2

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

Solution

y = {-4.5, -2}

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