81a^2-16j^2=0

Solution for 81a^2-16j^2=0 equation:

Simplifying
81a2 + -16j2 = 0

Solving
81a2 + -16j2 = 0

Solving for variable 'a'.

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

Add '16j2' to each side of the equation.
81a2 + -16j2 + 16j2 = 0 + 16j2

Combine like terms: -16j2 + 16j2 = 0
81a2 + 0 = 0 + 16j2
81a2 = 0 + 16j2
Remove the zero:
81a2 = 16j2

Divide each side by '81'.
a2 = 0.1975308642j2

Simplifying
a2 = 0.1975308642j2

Take the square root of each side:
a = {-0.444444444j, 0.444444444j}