math
posted by tela .
can someone show me step by step how to do the sum, product, and difference for this problem X 1 : X2

Not quite sure what you are after, but
(x1) + (x2) = 2x3
(x1)  (x2) = 1
(x1)(x2) = x^23x+2
(x1)/(x2) = 1 + 1/(x2)
If that's not what you want, please elucidate.