(4v-9)(8-v)=0

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Solution for (4v-9)(8-v)=0 equation: 


Simplifying
(4v + -9)(8 + -1v) = 0

Reorder the terms:
(-9 + 4v)(8 + -1v) = 0

Multiply (-9 + 4v) * (8 + -1v)
(-9(8 + -1v) + 4v * (8 + -1v)) = 0
((8 * -9 + -1v * -9) + 4v * (8 + -1v)) = 0
((-72 + 9v) + 4v * (8 + -1v)) = 0
(-72 + 9v + (8 * 4v + -1v * 4v)) = 0
(-72 + 9v + (32v + -4v2)) = 0

Combine like terms: 9v + 32v = 41v
(-72 + 41v + -4v2) = 0

Solving
-72 + 41v + -4v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-8 + v)(9 + -4v) = 0


Subproblem 1
Set the factor '(-8 + v)' equal to zero and attempt to solve:

Simplifying
-8 + v = 0

Solving
-8 + v = 0

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

Add '8' to each side of the equation.
-8 + 8 + v = 0 + 8

Combine like terms: -8 + 8 = 0
0 + v = 0 + 8
v = 0 + 8

Combine like terms: 0 + 8 = 8
v = 8

Simplifying
v = 8

Subproblem 2
Set the factor '(9 + -4v)' equal to zero and attempt to solve:

Simplifying
9 + -4v = 0

Solving
9 + -4v = 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 + -4v = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4v = 0 + -9
-4v = 0 + -9

Combine like terms: 0 + -9 = -9
-4v = -9

Divide each side by '-4'.
v = 2.25

Simplifying
v = 2.25
Solution
v = {8, 2.25}

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