Symbol
Problem
1. $x^{3}+8x^{2}+19x+12$ 2. $x^{3}+4x^{2}+x-6$ 3. $x^{3}+6x^{2}+5x-12$ 4. $x^{3}-10x^{2}+31x-30$ 5. $x^{3}+5x^{2}-2x-24$ $6.$ $x^{3}-7x+6$ 7. $x^{3}-19x+30$ 8. $+3$ $-39x+70$ 9. $12x^{3}-7x^{2}+19$ $10$ $x^{3}-7x^{2}+14x-8$ $11.$ $x^{3}+7x^{2}$ $-21x-27$ 12. $12x^{3}+4x^{2}-3x-1$ 13. $x^{3}-5x^{2}-29x+105$