49-16u^2=0

Solution for 49-16u^2=0 equation:

Simplifying
49 + -16u2 = 0

Solving
49 + -16u2 = 0

Solving for variable 'u'.

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

Add '-49' to each side of the equation.
49 + -49 + -16u2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -16u2 = 0 + -49
-16u2 = 0 + -49

Combine like terms: 0 + -49 = -49
-16u2 = -49

Divide each side by '-16'.
u2 = 3.0625

Simplifying
u2 = 3.0625

Take the square root of each side:
u = {-1.75, 1.75}