4f^2-5=0

Solution for 4f^2-5=0 equation:

Simplifying
4f2 + -5 = 0

Reorder the terms:
-5 + 4f2 = 0

Solving
-5 + 4f2 = 0

Solving for variable 'f'.

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

Add '5' to each side of the equation.
-5 + 5 + 4f2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 4f2 = 0 + 5
4f2 = 0 + 5

Combine like terms: 0 + 5 = 5
4f2 = 5

Divide each side by '4'.
f2 = 1.25

Simplifying
f2 = 1.25

Take the square root of each side:
f = {-1.118033989, 1.118033989}