1) (5d+2)^2
Tolong ya
2) r/2(8r-2s)
![]()
Tolong ya
2) r/2(8r-2s)
Penjelasan dengan langkah-langkah:
1.
[tex](5d + 2)(5d + 2) = 25 {d}^{2} + 10d + 10d + 4 \\ = 25 {d}^{2} + 20d + 4[/tex]
2.
[tex] \frac{r}{2} (8r - 2s) = \frac{8 {r}^{2} - 2rs }{2} \\ = 4 {r}^{2} - rs[/tex]
[answer.2.content]
