s^2-45-12=0

Solution for s^2-45-12=0 equation:

Simplifying
s2 + -45 + -12 = 0

Reorder the terms:
-45 + -12 + s2 = 0

Combine like terms: -45 + -12 = -57
-57 + s2 = 0

Solving
-57 + s2 = 0

Solving for variable 's'.

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

Add '57' to each side of the equation.
-57 + 57 + s2 = 0 + 57

Combine like terms: -57 + 57 = 0
0 + s2 = 0 + 57
s2 = 0 + 57

Combine like terms: 0 + 57 = 57
s2 = 57

Simplifying
s2 = 57

Take the square root of each side:
s = {-7.549834435, 7.549834435}