V(r)=(3.14)r^2

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Solution for V(r)=(3.14)r^2 equation: 


Simplifying
V(r) = (3.14) * r2

Multiply V * r
rV = (3.14) * r2

Solving
rV = 3.14r2

Solving for variable 'r'.

Combine like terms: 3.14r2 + -3.14r2 = 0.00
rV + -3.14r2 = 0.00

Factor out the Greatest Common Factor (GCF), 'r'.
r(V + -3.14r) = 0.00


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

Simplifying
r = 0

Solving
r = 0

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

Simplifying
r = 0

Subproblem 2
Set the factor '(V + -3.14r)' equal to zero and attempt to solve:

Simplifying
V + -3.14r = 0

Solving
V + -3.14r = 0

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

Add '-1V' to each side of the equation.
V + -1V + -3.14r = 0 + -1V

Combine like terms: V + -1V = 0
0 + -3.14r = 0 + -1V
-3.14r = 0 + -1V
Remove the zero:
-3.14r = -1V

Divide each side by '-3.14'.
r = 0.3184713376V

Simplifying
r = 0.3184713376V
Solution
r = {0, 0.3184713376V}

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