(x+y)二次方+mx+my 因式分解

问题描述:

(x+y)二次方+mx+my 因式分解

(x+y)二次方+mx+my
=(x+y)²+m(x+y)
=(x+y)(x+y+m)

(x+y)二次方+mx+my
=(x+y)二次方+m(x+y)
=(x+y)(x+y+m)