6p{(p+q)(p+q)}-4q(p+q)
问题描述:
6p{(p+q)(p+q)}-4q(p+q)
帮我解下
答
6p{(p+q)(p+q)}-4q(p+q)
=2(p+q)[3p(p+q)-2q]
=2(p+q)(3p²++3pq-2q)