0=u^2-54

Solution for 0=u^2-54 equation:

Simplifying
0 = u2 + -54

Reorder the terms:
0 = -54 + u2

Solving
0 = -54 + u2

Solving for variable 'u'.

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

Add '-1u2' to each side of the equation.
0 + -1u2 = -54 + u2 + -1u2
Remove the zero:
-1u2 = -54 + u2 + -1u2

Combine like terms: u2 + -1u2 = 0
-1u2 = -54 + 0
-1u2 = -54

Divide each side by '-1'.
u2 = 54

Simplifying
u2 = 54

Take the square root of each side:
u = {-7.348469228, 7.348469228}