因数分解・左右積法 演習3
8 x2 - 2 xy - 3 y2
6 a2 - ab - 12 b2
10 p2 - 19 pq + 6 q2
6 (2x+1)2 + 5 (2x+1) - 4
4 x4 - 37 x2y2 + 9 y4
3 (2x-3)2 - 4 (2x+1) + 12
8 x2 - 2 xy - 3 y2
6 a2 - ab - 12 b2
10 p2 - 19 pq + 6 q2
6 (2x+1)2 + 5 (2x+1) - 4
4 x4 - 37 x2y2 + 9 y4
3 (2x-3)2 - 4 (2x+1) + 12