-225=-81j^2

Solution for -225=-81j^2 equation:

Simplifying
-225 = -81j2

Solving
-225 = -81j2

Solving for variable 'j'.

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

Add '81j2' to each side of the equation.
-225 + 81j2 = -81j2 + 81j2

Combine like terms: -81j2 + 81j2 = 0
-225 + 81j2 = 0

Add '225' to each side of the equation.
-225 + 225 + 81j2 = 0 + 225

Combine like terms: -225 + 225 = 0
0 + 81j2 = 0 + 225
81j2 = 0 + 225

Combine like terms: 0 + 225 = 225
81j2 = 225

Divide each side by '81'.
j2 = 2.777777778

Simplifying
j2 = 2.777777778

Take the square root of each side:
j = {-1.666666667, 1.666666667}