Ответ:
-5m(5m+5)+(5m-5)(5+5m)= -25m²-25m+(25m+25m²-25-25m) = -25m²-25m+25m+25m²-25-25m = -25m²+25m²-25m+25m-25m-25
= -25m-25
Если m=9,8, то -25*9,8-25= -245-25= -270
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
-5m(5m+5)+(5m-5)(5+5m)= -25m²-25m+(25m+25m²-25-25m) = -25m²-25m+25m+25m²-25-25m = -25m²+25m²-25m+25m-25m-25
= -25m-25
Если m=9,8, то -25*9,8-25= -245-25= -270