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 © 2025 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-