u^2+2-30=0

Solution for u^2+2-30=0 equation:

Simplifying
u2 + 2 + -30 = 0

Reorder the terms:
2 + -30 + u2 = 0

Combine like terms: 2 + -30 = -28
-28 + u2 = 0

Solving
-28 + u2 = 0

Solving for variable 'u'.

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

Add '28' to each side of the equation.
-28 + 28 + u2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + u2 = 0 + 28
u2 = 0 + 28

Combine like terms: 0 + 28 = 28
u2 = 28

Simplifying
u2 = 28

Take the square root of each side:
u = {-5.291502622, 5.291502622}