Question

The binomial expansion 1.728x^3+ 3,456x² + 2,304x + 512 can be expressed as (ax + b)^3. What is the value of b?

A: -12
B: -8
C: 8
D: 12

Answer 1

I believe the answer i c

Answer 2

C: 8

Explanation:

8^3=512

if it was -8^3 it would equal -512