81a^2-125q^8=

Solution for 81a^2-125q^8= equation:

Simplifying
81a2 + -125q8 = 0

Solving
81a2 + -125q8 = 0

Solving for variable 'a'.

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

Add '125q8' to each side of the equation.
81a2 + -125q8 + 125q8 = 0 + 125q8

Combine like terms: -125q8 + 125q8 = 0
81a2 + 0 = 0 + 125q8
81a2 = 0 + 125q8
Remove the zero:
81a2 = 125q8

Divide each side by '81'.
a2 = 1.543209877q8

Simplifying
a2 = 1.543209877q8

Take the square root of each side:
a = {-1.242259988q4, 1.242259988q4}