40u^2-250=0

Solution for 40u^2-250=0 equation:

Simplifying
40u2 + -250 = 0

Reorder the terms:
-250 + 40u2 = 0

Solving
-250 + 40u2 = 0

Solving for variable 'u'.

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

Add '250' to each side of the equation.
-250 + 250 + 40u2 = 0 + 250

Combine like terms: -250 + 250 = 0
0 + 40u2 = 0 + 250
40u2 = 0 + 250

Combine like terms: 0 + 250 = 250
40u2 = 250

Divide each side by '40'.
u2 = 6.25

Simplifying
u2 = 6.25

Take the square root of each side:
u = {-2.5, 2.5}