4p(p-q)-6q(p-q)
问题描述:
4p(p-q)-6q(p-q)
答
运算的话:4p(p-q)-6q(p-q)=4p^2-4pq-6pq+6q^2=4p^2-10pq+6q^2
分解因式的话:4p(p-q)-6q(p-q)=(4p-6q)(p-q)=2(2p-3q)(p-q)