(3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 23:52:53
![(3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!](/uploads/image/z/573468-60-8.jpg?t=%EF%BC%883a-4b%29%2A%EF%BC%887a-8b%26%23173%3B%EF%BC%89%2B%EF%BC%8811a%2B2b%EF%BC%89%2A%EF%BC%888b-7a%EF%BC%89%E5%90%84%E4%BD%8D%E5%A4%A7%E7%A5%9E%E6%B1%82%E8%A7%A3%E7%AD%94%E8%BF%87%E7%A8%8B%213a-4b%29%2A%EF%BC%887a-8b%26shy%3B%EF%BC%89%2B%EF%BC%8811a%2B2b%EF%BC%89%2A%EF%BC%888b-7a%EF%BC%89%E5%90%84%E4%BD%8D%E5%A4%A7%E7%A5%9E%E6%B1%82%E8%A7%A3%E7%AD%94%E8%BF%87%E7%A8%8B%21)
x){8Q$IS2OԵHRS647~S(bhm䀤-tZ}dmlz|S^o[ݰJͲI*ҧRՕv64 mE ЩTk :]D]3Lu_\g Z
(3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!
(3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!
3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!
(3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)各位大神求解答过程!
(3a-4b)*(7a-8b)+(11a+2b)*(8b-7a)
=(3a-4b)*(7a-8b)-(11a+2b)*(7a-8b)
=(3a-4b-11a-2b)*(7a-8b)
=(-8a-6b)*(7a-8b)
=-2(4a-3b)*(7a-8b)