Question

Multiply the following polynomials and find the degree of the resultant polynomial:

f(x) = 7x + 2, g(x) = 15x – 9

Answer 1

f(x) × g(x) = (7x + 2) (15x – 9)

= 105x² – 63x + 30x – 18

= 105x² – 33x – 18

The degree of the polynomial is 2.