24ab5c + 42a3b8
A.
8a^3b^13(3c + 5)
B.
6ab^5(4c + 7a^2b^3)
C.
6ab(4b^4c + 7a^2b^7)
To simplify the given expression 24ab5c + 42a3b8, we can factor out the common terms.
24ab5c + 42a3b8
= 6ab(4c + 7a^2b^3)
Therefore, the simplified expression is:
6ab(4c + 7a^2b^3)
The correct answer is B.