15b-10b^3=

Solution for 15b-10b^3= equation:

Simplifying
15b + -10b3 = 0

Solving
15b + -10b3 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '5b'.
5b(3 + -2b2) = 0

Ignore the factor 5.
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 '(3 + -2b2)' equal to zero and attempt to solve:

Simplifying
3 + -2b2 = 0

Solving
3 + -2b2 = 0

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

Add '-3' to each side of the equation.
3 + -3 + -2b2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2b2 = 0 + -3
-2b2 = 0 + -3

Combine like terms: 0 + -3 = -3
-2b2 = -3

Divide each side by '-2'.
b2 = 1.5

Simplifying
b2 = 1.5

Take the square root of each side:
b = {-1.224744871, 1.224744871}
Solution
b = {0, -1.224744871, 1.224744871}