Step-by-step explanation:
1. No, Yes
2. No, Yes
3. 6x^2+10
4. 2x^2-3
5.x^2+x
6.-2x^4+11x+3
7. 3x^3+15x^2+20
8. -9x^3+4x^2+8x
9. xy+2x+6y+5
10. 8xy-y^2x
Sorry if i messed up on some by misreading.
