Polynomial Or Not a polynomial?

1) x4+3x3−5x2−7x+20
2) x3−2x2+x−12
3) x2+3x5−6x+12x3
4) x−3−x−2−6x−1+84x√3−x√−20
5) 4x√3−x√−20
6) 5x3−1x2+8x−40

Select "P" for Polynomial and Select "NP" for Not a Polynomial when answering

Polynomial Or Not a polynomial 1 x43x35x27x20 2 x32x2x12 3 x23x56x12x3 4 x3x26x184x3x20 5 4x3x20 6 5x31x28x40 Select P for Polynomial and Select NP for Not a Po class=