Question

solve: x^2-20+36=0

Answer 1

There's two ways to do these problems: the easy way, or the really easy way. Here's the really easy way: http://www.wolframalpha.com/input/?i=x^2-20%2B36%3D0

Answer 2

x^2 -16 = 0
(x +4 ) (x -4) = 0 that is factoring
x = 4 x = -4 solutions

Answer 3

Actually... it would be x^2 + 16 = 0. Dun dun dun dun, complexity!
Is it supposed to be x^2 - 20x + 36?

Answer 4

You are correct :)