初中数奥因式分解(1-7t-7t²-3t³)(1-2t-2t²-t³)-(t-1)6
问题描述:
初中数奥因式分解
(1-7t-7t²-3t³)(1-2t-2t²-t³)-(t-1)6
答
(1-7t-7t²-3t³)(1-2t-2t²-t³)-(t+1)^6原式=﹙4+2t+2t²-3-9t-9t²-3t³﹚﹙2+t+t²-1-3t-3t²-t³﹚-[﹙t+1﹚³]²=[﹙4+2t+2t²﹚...