72a^9-24a^11=

Solution for 72a^9-24a^11= equation:

Simplifying
72a9 + -24a11 = 0

Solving
72a9 + -24a11 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '24a9'.
24a9(3 + -1a2) = 0

Ignore the factor 24.
Subproblem 1
Set the factor 'a9' equal to zero and attempt to solve:

Simplifying
a9 = 0

Solving
a9 = 0

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

Simplifying
a9 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Subproblem 2
Set the factor '(3 + -1a2)' equal to zero and attempt to solve:

Simplifying
3 + -1a2 = 0

Solving
3 + -1a2 = 0

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

Add '-3' to each side of the equation.
3 + -3 + -1a2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1a2 = 0 + -3
-1a2 = 0 + -3

Combine like terms: 0 + -3 = -3
-1a2 = -3

Divide each side by '-1'.
a2 = 3

Simplifying
a2 = 3

Take the square root of each side:
a = {-1.732050808, 1.732050808}
Solution
a = {-1.732050808, 1.732050808}