Question

Multiple Choice

Simplify each polynomial.
3x2 + 8x + 7x
A. 3x2 + 15x
B. 18x3
C. 3x2 + 1
D. 3x2 – x

Answer 1

A

Explanation:

since 8 and 7 have the same variable i can add them both and i will get 15x and then i multiply both constant 3 x 2 and get 6. So the only answer that is fit is A.

Answer 2

The answer is A) 3x2 +15x