In Exercises 15–58, find each product. (x+7)(x+3)

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these.See Example 1. 15a^2b^3+12a^3b^8-13b^5+12b^6

In Exercises 15–58, find each product. (2x−3)(x^2−3x+5)

In Exercises 15–32, multiply or divide as indicated. (x^2−4)/(x^2−4x+4) ⋅ (2x−4)/(x+2)

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these.See Example 1. (3/8)x^5-(1/x^2)+9

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these.See Example 1. (2/3)t^6+(3/t^5)+1

In Exercises 15–58, find each product. (x−1)(x+2)

In Exercises 15–32, multiply or divide as indicated. (x+5)/7 ÷ (4x+20)/9

In Exercises 15–58, find each product. (2x−5)(7x+2)