4v(5v-7)=

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Solution for 4v(5v-7)= equation: 


Simplifying
4v(5v + -7) = 0

Reorder the terms:
4v(-7 + 5v) = 0
(-7 * 4v + 5v * 4v) = 0
(-28v + 20v2) = 0

Solving
-28v + 20v2 = 0

Solving for variable 'v'.

Factor out the Greatest Common Factor (GCF), '4v'.
4v(-7 + 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 '(-7 + 5v)' equal to zero and attempt to solve:

Simplifying
-7 + 5v = 0

Solving
-7 + 5v = 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 + 5v = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 5v = 0 + 7
5v = 0 + 7

Combine like terms: 0 + 7 = 7
5v = 7

Divide each side by '5'.
v = 1.4

Simplifying
v = 1.4
Solution
v = {0, 1.4}

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