U^2+60U-396=0

Solution for U^2+60U-396=0 equation:

Simplifying
U2 + 60U + -396 = 0

Reorder the terms:
-396 + 60U + U2 = 0

Solving
-396 + 60U + U2 = 0

Solving for variable 'U'.

Factor a trinomial.
(-66 + -1U)(6 + -1U) = 0

Subproblem 1
Set the factor '(-66 + -1U)' equal to zero and attempt to solve:

Simplifying
-66 + -1U = 0

Solving
-66 + -1U = 0

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

Add '66' to each side of the equation.
-66 + 66 + -1U = 0 + 66

Combine like terms: -66 + 66 = 0
0 + -1U = 0 + 66
-1U = 0 + 66

Combine like terms: 0 + 66 = 66
-1U = 66

Divide each side by '-1'.
U = -66

Simplifying
U = -66
Subproblem 2
Set the factor '(6 + -1U)' equal to zero and attempt to solve:

Simplifying
6 + -1U = 0

Solving
6 + -1U = 0

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

Add '-6' to each side of the equation.
6 + -6 + -1U = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1U = 0 + -6
-1U = 0 + -6

Combine like terms: 0 + -6 = -6
-1U = -6

Divide each side by '-1'.
U = 6

Simplifying
U = 6
Solution
U = {-66, 6}