Question

After simplification, how many terms will be there in 4x3 + 9y2 - 3x + 2 - 1?

3
6
5
4.

Answer 1

Correct answer is 4 because the last 2 terms can be combined:

Explanation:

4x3 + 9y2 – 3x + 2 – 1 = 4x3 – 3x + 9y2 + 1.