(5v+9)(2+v)=0

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Solution for (5v+9)(2+v)=0 equation: 


Simplifying
(5v + 9)(2 + v) = 0

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

Multiply (9 + 5v) * (2 + v)
(9(2 + v) + 5v * (2 + v)) = 0
((2 * 9 + v * 9) + 5v * (2 + v)) = 0
((18 + 9v) + 5v * (2 + v)) = 0
(18 + 9v + (2 * 5v + v * 5v)) = 0
(18 + 9v + (10v + 5v2)) = 0

Combine like terms: 9v + 10v = 19v
(18 + 19v + 5v2) = 0

Solving
18 + 19v + 5v2 = 0

Solving for variable 'v'.

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


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

Simplifying
2 + v = 0

Solving
2 + v = 0

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

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

Combine like terms: 2 + -2 = 0
0 + v = 0 + -2
v = 0 + -2

Combine like terms: 0 + -2 = -2
v = -2

Simplifying
v = -2

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

Simplifying
9 + 5v = 0

Solving
9 + 5v = 0

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

Add '-9' to each side of the equation.
9 + -9 + 5v = 0 + -9

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

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

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

Simplifying
v = -1.8
Solution
v = {-2, -1.8}

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