(3a+4b)(7a-8b)+(11a+2b)(8a-7a) 分解因式
问题描述:
(3a+4b)(7a-8b)+(11a+2b)(8a-7a) 分解因式
答
(3a+4b)(7a-8b)+(11a+2b)(8b-7a)
=(3a+4b)(7a-8b)-(11a+2b)(7a-8b)
=(7a-8b)(3a+4b-11a-2b)
=(7a-8b)(2b-8a)