(9+v)(3v-7)=0

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Solution for (9+v)(3v-7)=0 equation: 


Simplifying
(9 + v)(3v + -7) = 0

Reorder the terms:
(9 + v)(-7 + 3v) = 0

Multiply (9 + v) * (-7 + 3v)
(9(-7 + 3v) + v(-7 + 3v)) = 0
((-7 * 9 + 3v * 9) + v(-7 + 3v)) = 0
((-63 + 27v) + v(-7 + 3v)) = 0
(-63 + 27v + (-7 * v + 3v * v)) = 0
(-63 + 27v + (-7v + 3v2)) = 0

Combine like terms: 27v + -7v = 20v
(-63 + 20v + 3v2) = 0

Solving
-63 + 20v + 3v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-9 + -1v)(7 + -3v) = 0


Subproblem 1
Set the factor '(-9 + -1v)' equal to zero and attempt to solve:

Simplifying
-9 + -1v = 0

Solving
-9 + -1v = 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 + -1v = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1v = 0 + 9
-1v = 0 + 9

Combine like terms: 0 + 9 = 9
-1v = 9

Divide each side by '-1'.
v = -9

Simplifying
v = -9

Subproblem 2
Set the factor '(7 + -3v)' equal to zero and attempt to solve:

Simplifying
7 + -3v = 0

Solving
7 + -3v = 0

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

Add '-7' to each side of the equation.
7 + -7 + -3v = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3v = 0 + -7
-3v = 0 + -7

Combine like terms: 0 + -7 = -7
-3v = -7

Divide each side by '-3'.
v = 2.333333333

Simplifying
v = 2.333333333
Solution
v = {-9, 2.333333333}

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