Question

What is the degree of the polynomial f(x) = (x − 1)(x + 1)(x + 3)

Answer 1

Explanation:

Multiply the factors

`(x - 1)(x + 1)(x + 3)`

`( {x}^(2) - 1)(x + 3)`

`{x}^(3) + 3 {x}^(2) - x - 3`

The highest exponent is 3, so the degree is 3