(х-2)(х+3)+(х+2)(х-3)

Question

(х-2)(х+3)+(х+2)(х-3)

Comments

и чо?

Answer 1

(х-2)(х+3)+(х+2)(х-3)=(х²+3х-2х-6)+(х²-3х+2х-6)=х²+х-6+х²-х-6=2х²-12=2(х²-6)