(f*f)-64=0

Solution for (f*f)-64=0 equation:

Simplifying
(f * f) + -64 = 0

Multiply f * f
(f2) + -64 = 0
f2 + -64 = 0

Reorder the terms:
-64 + f2 = 0

Solving
-64 + f2 = 0

Solving for variable 'f'.

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

Add '64' to each side of the equation.
-64 + 64 + f2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + f2 = 0 + 64
f2 = 0 + 64

Combine like terms: 0 + 64 = 64
f2 = 64

Simplifying
f2 = 64

Take the square root of each side:
f = {-8, 8}