二次多项式的因式分解

GeoGebra 命令及参数

1. Polygon(A, B, 4) → poly1, f, g, h, i, C, D
2. Intersect(f, g) → H
3. Polygon(H, F, G, E) → q1, h_1, f_1, g_1, e
4. Point(g) → J
5. Intersect(h_1, f_1) → K
6. Intersect(g, h) → L
7. Polygon(J, K, I, L) → q2, j, k_1, i_1, l
8. Point(f) → N
9. Intersect(f, i) → O
10. Intersect(g_1, e) → P
11. Polygon(N, O, M, P) → q3, n, o, m, p
12. Polygon(A_1, B_1, 4) → poly1_1, f_2, g_2, h_3, i_2, C_1, D_1
13. Intersect(f_2, g_2) → H_1
14. Polygon(H_1, F_1, G_1, E_1) → q1_1, h_2, f_3, g_3, e_1
15. Point(g_2) → J_1
16. Point(f_2) → N_1
17. Intersect(f_2, i_2) → O_1
18. Intersect(g_3, e_1) → P_1
19. Polygon(N_1, O_1, M_1, P_1) → q3_1, n_1, o_1, m_1, p_1