-f^2+6=0

Solution for -f^2+6=0 equation:

Simplifying
-1f2 + 6 = 0

Reorder the terms:
6 + -1f2 = 0

Solving
6 + -1f2 = 0

Solving for variable 'f'.

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

Add '-6' to each side of the equation.
6 + -6 + -1f2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1f2 = 0 + -6
-1f2 = 0 + -6

Combine like terms: 0 + -6 = -6
-1f2 = -6

Divide each side by '-1'.
f2 = 6

Simplifying
f2 = 6

Take the square root of each side:
f = {-2.449489743, 2.449489743}