Explanation:
Polynomial 1:
6x²+2x-3x-1=6x²-x-1
Simplified form =6x²-x-1. Name by degree is quadratic. Name by terms is trinomial
Polynomial 2:
7x²+3x-7x²+4=3x+4. Name by degree is linear.Name by terms is binomial
polynomial 3:
20x²-36x+28-20x²+36x-26
=2.
Name by degree is constant