QuestionUse long division to find which polynomial divides evenly by $x+3$:
1. $x^{3}-5 x^{2}+10 x-15$
2. $x^{3}-3 x^{2}-13 x+15$
3. $3 x^{2}-6 x+9$
4. $5 x^{2}+7 x-12$