8a^2-162b^2=

Solution for 8a^2-162b^2= equation:

Simplifying
8a2 + -162b2 = 0

Solving
8a2 + -162b2 = 0

Solving for variable 'a'.

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

Add '162b2' to each side of the equation.
8a2 + -162b2 + 162b2 = 0 + 162b2

Combine like terms: -162b2 + 162b2 = 0
8a2 + 0 = 0 + 162b2
8a2 = 0 + 162b2
Remove the zero:
8a2 = 162b2

Divide each side by '8'.
a2 = 20.25b2

Simplifying
a2 = 20.25b2

Take the square root of each side:
a = {-4.5b, 4.5b}