Část:
Project ID:
2010008802
Accepted:
0
Clonable:
1
Easy:
0
Zjednodušte: \[2(3r^4 - 8r^3s - 5r^2s^2 + rs^3) - 4(2r^4 - 5r^3s + 2r^2s^2 - 6rs^3)\]
\(-2r(r^3 - 2r^2s + 9rs^2 - 13s^3)\)
\(-2r(r^3 + 18r^2s + rs^2 + 11s^3)\)
\(-2r(r^3 - 2r^2s + 9rs^2 + 11s^3)\)
\(-2r(r^3 + 18r^2s + rs^2 - 13s^3)\)