9u^2-30+25=

Solution for 9u^2-30+25= equation:

Simplifying
9u2 + -30 + 25 = 0

Reorder the terms:
-30 + 25 + 9u2 = 0

Combine like terms: -30 + 25 = -5
-5 + 9u2 = 0

Solving
-5 + 9u2 = 0

Solving for variable 'u'.

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

Add '5' to each side of the equation.
-5 + 5 + 9u2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 9u2 = 0 + 5
9u2 = 0 + 5

Combine like terms: 0 + 5 = 5
9u2 = 5

Divide each side by '9'.
u2 = 0.5555555556

Simplifying
u2 = 0.5555555556

Take the square root of each side:
u = {-0.745355993, 0.745355993}