Saved Bookmarks
| 1. |
(5a-2b-3c) factories |
|
Answer» Step-by-step explanation: 5a)^2+(2B)^2+(3C)^2-2×5a×2b-2×2b×3c-2×3c×5a 25a^2+4b^2+9c^2-20ab-12bc-30ac |
|