4v(5v-4)=0

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Solution for 4v(5v-4)=0 equation: 


Simplifying
4v(5v + -4) = 0

Reorder the terms:
4v(-4 + 5v) = 0
(-4 * 4v + 5v * 4v) = 0
(-16v + 20v2) = 0

Solving
-16v + 20v2 = 0

Solving for variable 'v'.

Factor out the Greatest Common Factor (GCF), '4v'.
4v(-4 + 5v) = 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 '(-4 + 5v)' equal to zero and attempt to solve:

Simplifying
-4 + 5v = 0

Solving
-4 + 5v = 0

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

Add '4' to each side of the equation.
-4 + 4 + 5v = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 5v = 0 + 4
5v = 0 + 4

Combine like terms: 0 + 4 = 4
5v = 4

Divide each side by '5'.
v = 0.8

Simplifying
v = 0.8
Solution
v = {0, 0.8}

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