Chapter DPT, Problem 3E

Work all of the problems in this self-test without using a calculator. Then check your work by consulting the answers in the back of the book. Where weaknesses show up, use the reference that follows each answer to find the section in the test that provides the necessary review.

Problems 2–6 refer to the following polynomials:

(A) 3x – 4    (B) x + 2

(C) 2 – 3x²    (D) x³ + 8

3.    Subtract the sum of (A) and (C) from the sum of (B) and (D).