81j^2-576=0

Solution for 81j^2-576=0 equation:

Simplifying
81j2 + -576 = 0

Reorder the terms:
-576 + 81j2 = 0

Solving
-576 + 81j2 = 0

Solving for variable 'j'.

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

Add '576' to each side of the equation.
-576 + 576 + 81j2 = 0 + 576

Combine like terms: -576 + 576 = 0
0 + 81j2 = 0 + 576
81j2 = 0 + 576

Combine like terms: 0 + 576 = 576
81j2 = 576

Divide each side by '81'.
j2 = 7.111111111

Simplifying
j2 = 7.111111111

Take the square root of each side:
j = {-2.666666667, 2.666666667}