因数分解・左右積法 演習4
3 k2 + 2 k - 1
5 y2 - 12 y + 4
3 t2 + 2 t - 1
6 x2 - 7 x - 20
3 x2 + 4 x + 1
3 x2 - 2 x - 33
6 t2 + t - 1
7 a2 + 48 a - 7
5 t2 + 6 t + 1
28 t2 - 15 t + 2
11 m2 + 6 m - 5
3 a2 + 20 a + 12
3 k2 + 2 k - 1
5 y2 - 12 y + 4
3 t2 + 2 t - 1
6 x2 - 7 x - 20
3 x2 + 4 x + 1
3 x2 - 2 x - 33
6 t2 + t - 1
7 a2 + 48 a - 7
5 t2 + 6 t + 1
28 t2 - 15 t + 2
11 m2 + 6 m - 5
3 a2 + 20 a + 12