(a方+3)(a-2)-a(a方-2a-2)得多少

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/25 04:54:11
(a方+3)(a-2)-a(a方-2a-2)得多少(a方+3)(a-2)-a(a方-2a-2)得多少(a方+3)(a-2)-a(a方-2a-2)得多少原式=(a³-2a²+3a-6

(a方+3)(a-2)-a(a方-2a-2)得多少
(a方+3)(a-2)-a(a方-2a-2)得多少

(a方+3)(a-2)-a(a方-2a-2)得多少
原式=(a³-2a²+3a-6)-(a³-2a²-2a)
=a³-2a²+3a-6-a³+2a²+2a
=5a-6