因数分解・左右積法 演習8
3 k2 + 8 k - 28
3 t2 - t - 2
2 x2 - 9 x + 9
48 t2 - 16 t + 1
12 x2 + x - 6
25 t2 + 40 t - 20
3 t2 - 8 t + 5
3 x2 + 4 x - 4
5 t2 - 16 t + 3
9 s2 - 9 s + 2
3 x2 + 2 x - 5
3 k2 + 8 k - 28
3 t2 - t - 2
2 x2 - 9 x + 9
48 t2 - 16 t + 1
12 x2 + x - 6
25 t2 + 40 t - 20
3 t2 - 8 t + 5
3 x2 + 4 x - 4
5 t2 - 16 t + 3
9 s2 - 9 s + 2
3 x2 + 2 x - 5