45=u^2+5

Solution for 45=u^2+5 equation:

Simplifying
45 = u2 + 5

Reorder the terms:
45 = 5 + u2

Solving
45 = 5 + 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.
45 + -1u2 = 5 + u2 + -1u2

Combine like terms: u2 + -1u2 = 0
45 + -1u2 = 5 + 0
45 + -1u2 = 5

Add '-45' to each side of the equation.
45 + -45 + -1u2 = 5 + -45

Combine like terms: 45 + -45 = 0
0 + -1u2 = 5 + -45
-1u2 = 5 + -45

Combine like terms: 5 + -45 = -40
-1u2 = -40

Divide each side by '-1'.
u2 = 40

Simplifying
u2 = 40

Take the square root of each side:
u = {-6.32455532, 6.32455532}