(________)(3a-2)=4-9a²
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/08 17:18:11
(________)(3a-2)=4-9a²(________)(3a-2)=4-9a²(________)(3a-2)=4-9a²(3a+2)(-2-3a)(3a-2)
(________)(3a-2)=4-9a²
(________)(3a-2)=4-9a²
(________)(3a-2)=4-9a²
(3a+2)
(-2-3a)(3a-2)=4-9a²
_(3a_2)
-3a-2
答案为-3a-2
应该是平方差的运用
= -3a-2