(5y+9)(2y+7)=

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Solution for (5y+9)(2y+7)= equation: 


Simplifying
(5y + 9)(2y + 7) = 0

Reorder the terms:
(9 + 5y)(2y + 7) = 0

Reorder the terms:
(9 + 5y)(7 + 2y) = 0

Multiply (9 + 5y) * (7 + 2y)
(9(7 + 2y) + 5y * (7 + 2y)) = 0
((7 * 9 + 2y * 9) + 5y * (7 + 2y)) = 0
((63 + 18y) + 5y * (7 + 2y)) = 0
(63 + 18y + (7 * 5y + 2y * 5y)) = 0
(63 + 18y + (35y + 10y2)) = 0

Combine like terms: 18y + 35y = 53y
(63 + 53y + 10y2) = 0

Solving
63 + 53y + 10y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(7 + 2y)(9 + 5y) = 0


Subproblem 1
Set the factor '(7 + 2y)' equal to zero and attempt to solve:

Simplifying
7 + 2y = 0

Solving
7 + 2y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 2y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2y = 0 + -7
2y = 0 + -7

Combine like terms: 0 + -7 = -7
2y = -7

Divide each side by '2'.
y = -3.5

Simplifying
y = -3.5

Subproblem 2
Set the factor '(9 + 5y)' equal to zero and attempt to solve:

Simplifying
9 + 5y = 0

Solving
9 + 5y = 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 + 5y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 5y = 0 + -9
5y = 0 + -9

Combine like terms: 0 + -9 = -9
5y = -9

Divide each side by '5'.
y = -1.8

Simplifying
y = -1.8
Solution
y = {-3.5, -1.8}

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