4v(9v-7)=0

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Solution for 4v(9v-7)=0 equation: 


Simplifying
4v(9v + -7) = 0

Reorder the terms:
4v(-7 + 9v) = 0
(-7 * 4v + 9v * 4v) = 0
(-28v + 36v2) = 0

Solving
-28v + 36v2 = 0

Solving for variable 'v'.

Factor out the Greatest Common Factor (GCF), '4v'.
4v(-7 + 9v) = 0

Ignore the factor 4.

Subproblem 1
Set the factor 'v' equal to zero and attempt to solve:

Simplifying
v = 0

Solving
v = 0

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

Simplifying
v = 0

Subproblem 2
Set the factor '(-7 + 9v)' equal to zero and attempt to solve:

Simplifying
-7 + 9v = 0

Solving
-7 + 9v = 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 + 9v = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 9v = 0 + 7
9v = 0 + 7

Combine like terms: 0 + 7 = 7
9v = 7

Divide each side by '9'.
v = 0.7777777778

Simplifying
v = 0.7777777778
Solution
v = {0, 0.7777777778}

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