Question

multiply the polynomials using distributive property and combine like terms:
(x+3)(x^2+x+1)

Answer 1

What do you understand by distributive property kellyb11?

Answer 2

Multiply the x to each term then multiply the 3 to each term
(x)(x^2) + (x)(x) + (x)(1) + (3)(x^2)+(3)(x) + (3)(1)