63u^2-448=0

Solution for 63u^2-448=0 equation:

Simplifying
63u2 + -448 = 0

Reorder the terms:
-448 + 63u2 = 0

Solving
-448 + 63u2 = 0

Solving for variable 'u'.

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

Add '448' to each side of the equation.
-448 + 448 + 63u2 = 0 + 448

Combine like terms: -448 + 448 = 0
0 + 63u2 = 0 + 448
63u2 = 0 + 448

Combine like terms: 0 + 448 = 448
63u2 = 448

Divide each side by '63'.
u2 = 7.111111111

Simplifying
u2 = 7.111111111

Take the square root of each side:
u = {-2.666666667, 2.666666667}