ax^2 +bx + c = 0

Example 7x^2 +12x +16 =0

Don't forget the quadratic formula when you come across a quadratic that CAN'T be factored:

x = (-b +/- (sqroot)( b^2 - 4ac))/2a

by the way, for those who don't know, I use the ^ sign as my "power" indicator