Simplify the product.
5a² (3a^4 + 3b + 2)
A8a^4 + 8ab + 5a²
B15a^8 + 3b + 10a²
C15a^6 + 15a²b + 10a²
D89^6 + 15a²b + 5a²
5a² (3a^4 + 3b + 2)
A8a^4 + 8ab + 5a²
B15a^8 + 3b + 10a²
C15a^6 + 15a²b + 10a²
D89^6 + 15a²b + 5a²