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

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


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

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

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

Multiply (3 + 5y) * (3 + y)
(3(3 + y) + 5y * (3 + y)) = -5(5y + 3)
((3 * 3 + y * 3) + 5y * (3 + y)) = -5(5y + 3)
((9 + 3y) + 5y * (3 + y)) = -5(5y + 3)
(9 + 3y + (3 * 5y + y * 5y)) = -5(5y + 3)
(9 + 3y + (15y + 5y2)) = -5(5y + 3)

Combine like terms: 3y + 15y = 18y
(9 + 18y + 5y2) = -5(5y + 3)

Reorder the terms:
9 + 18y + 5y2 = -5(3 + 5y)
9 + 18y + 5y2 = (3 * -5 + 5y * -5)
9 + 18y + 5y2 = (-15 + -25y)

Solving
9 + 18y + 5y2 = -15 + -25y

Solving for variable 'y'.

Reorder the terms:
9 + 15 + 18y + 25y + 5y2 = -15 + -25y + 15 + 25y

Combine like terms: 9 + 15 = 24
24 + 18y + 25y + 5y2 = -15 + -25y + 15 + 25y

Combine like terms: 18y + 25y = 43y
24 + 43y + 5y2 = -15 + -25y + 15 + 25y

Reorder the terms:
24 + 43y + 5y2 = -15 + 15 + -25y + 25y

Combine like terms: -15 + 15 = 0
24 + 43y + 5y2 = 0 + -25y + 25y
24 + 43y + 5y2 = -25y + 25y

Combine like terms: -25y + 25y = 0
24 + 43y + 5y2 = 0

Factor a trinomial.
(8 + y)(3 + 5y) = 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 '(3 + 5y)' equal to zero and attempt to solve:

Simplifying
3 + 5y = 0

Solving
3 + 5y = 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 + 5y = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 5y = 0 + -3
5y = 0 + -3

Combine like terms: 0 + -3 = -3
5y = -3

Divide each side by '5'.
y = -0.6

Simplifying
y = -0.6
Solution
y = {-8, -0.6}

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