Four of the five parts numbered (a) ,(b) ,(c) (d) and (e) in the following equation are exactly ...

Four of the five parts numbered (a) ,(b) ,(c) (d) and (e) in the following equation are exactly equal. Which of the parts is not equal to the other four? The number of that part is the answer.

Quiz

Answer/Solution

(a + b)(a – b) + (2a2 – ab + 4b2)

Steps/Work

The other parts are equal to 34.
Answer E