12b^3+72b=

Solution for 12b^3+72b= equation:

Simplifying
12b3 + 72b = 0

Reorder the terms:
72b + 12b3 = 0

Solving
72b + 12b3 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '12b'.
12b(6 + b2) = 0

Ignore the factor 12.
Subproblem 1
Set the factor 'b' equal to zero and attempt to solve:

Simplifying
b = 0

Solving
b = 0

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

Simplifying
b = 0
Subproblem 2
Set the factor '(6 + b2)' equal to zero and attempt to solve:

Simplifying
6 + b2 = 0

Solving
6 + b2 = 0

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

Add '-6' to each side of the equation.
6 + -6 + b2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + b2 = 0 + -6
b2 = 0 + -6

Combine like terms: 0 + -6 = -6
b2 = -6

Simplifying
b2 = -6

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
b = {0}