(y+5)(y+9)=

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Solution for (y+5)(y+9)= equation:


Simplifying
(y + 5)(y + 9) = 0

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

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

Multiply (5 + y) * (9 + y)
(5(9 + y) + y(9 + y)) = 0
((9 * 5 + y * 5) + y(9 + y)) = 0
((45 + 5y) + y(9 + y)) = 0
(45 + 5y + (9 * y + y * y)) = 0
(45 + 5y + (9y + y2)) = 0

Combine like terms: 5y + 9y = 14y
(45 + 14y + y2) = 0

Solving
45 + 14y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(9 + y)(5 + y) = 0

Subproblem 1

Set the factor '(9 + y)' equal to zero and attempt to solve: Simplifying 9 + y = 0 Solving 9 + y = 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 + y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + y = 0 + -9 y = 0 + -9 Combine like terms: 0 + -9 = -9 y = -9 Simplifying y = -9

Subproblem 2

Set the factor '(5 + y)' equal to zero and attempt to solve: Simplifying 5 + y = 0 Solving 5 + y = 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 + y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + y = 0 + -5 y = 0 + -5 Combine like terms: 0 + -5 = -5 y = -5 Simplifying y = -5

Solution

y = {-9, -5}

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