2) а²-b²-a+b= (a-b)*(a+b)-(a-b)=(a-b)*(a+b-1)
4)a³+a²b-ab²-b³= *(a+b)-*(a+b)=(a+b)*(-=(a+b)*(a-b)*(a+b)=*(a-b)
6)xc-yc-x²+2xy-y²=cx-cy-+2yx-
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Последний не знаю
2) а²-b²-a+b= (a-b)*(a+b)-(a-b)=(a-b)*(a+b-1)
4)a³+a²b-ab²-b³= *(a+b)-*(a+b)=(a+b)*(-=(a+b)*(a-b)*(a+b)=*(a-b)
6)xc-yc-x²+2xy-y²=cx-cy-+2yx-