V^2+9-20=0

Solution for V^2+9-20=0 equation:

Simplifying
V2 + 9 + -20 = 0

Reorder the terms:
9 + -20 + V2 = 0

Combine like terms: 9 + -20 = -11
-11 + V2 = 0

Solving
-11 + V2 = 0

Solving for variable 'V'.

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

Add '11' to each side of the equation.
-11 + 11 + V2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + V2 = 0 + 11
V2 = 0 + 11

Combine like terms: 0 + 11 = 11
V2 = 11

Simplifying
V2 = 11

Take the square root of each side:
V = {-3.31662479, 3.31662479}