5u^2-30=0

Solution for 5u^2-30=0 equation:

Simplifying
5u2 + -30 = 0

Reorder the terms:
-30 + 5u2 = 0

Solving
-30 + 5u2 = 0

Solving for variable 'u'.

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

Add '30' to each side of the equation.
-30 + 30 + 5u2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 5u2 = 0 + 30
5u2 = 0 + 30

Combine like terms: 0 + 30 = 30
5u2 = 30

Divide each side by '5'.
u2 = 6

Simplifying
u2 = 6

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