Question 177361
1. 4x4 + 6x3 –2 – x4

2. 9x2 – 2x + 3x2 

3. 4x(x – 5)(x + 6)

1){{{3x^4+6x^3-2}}}4th degree poly with 3 terms
:
2){{{12x^2-2x}}}2nd degree poly with 2 terms
:
3){{{4x(x^2+x-30)}}}
:
{{{4x^3+4x^2-120x}}}3rd degree poly with 3 terms