P²+3Pq+6-8P²+Pq

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/16 23:46:10

P²+3Pq+6-8P²+Pq


p²+3qp+6-8p²+pq
=(p²-8p²)+(3pq+pq)+6
=-7p²+4pq+6