o^2+0o+-4=0

Solution for o^2+0o+-4=0 equation:

Simplifying
o2 + 0o + -4 = 0

Anything times zero is zero.
o2 + 0o + -4 = 0

Reorder the terms:
0 + -4 + o2 = 0

Combine like terms: 0 + -4 = -4
-4 + o2 = 0

Solving
-4 + o2 = 0

Solving for variable 'o'.

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

Add '4' to each side of the equation.
-4 + 4 + o2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + o2 = 0 + 4
o2 = 0 + 4

Combine like terms: 0 + 4 = 4
o2 = 4

Simplifying
o2 = 4

Take the square root of each side:
o = {-2, 2}