Question

what is the degree of the polynomial (x-1) (x+1) (x-2)​

Answer 1

Let P(x)=(x+1)(x

2

−x−x

4

+1)

=x

3

−x

2

−x

5

+x+x

2

−x−x

4

+1

=x

3

−x

5

−x

4

+1

The heighest power of x is 5.

Thus, the degree of the given polynomial is 5