Answer:
a^3-64b^3
Step-by-step explanation:
(a-4b)(a^2+4ab+16b^2)
Multiply.
(a-4b)(a^2+4ab+16b^2)=
=a^3 + 4a^2b+16ab^2-4a^2b-16ab^2-64b^3
Combine like terms.
a^3 + 4a^2b+16ab^2-4a^2b-16ab^2-64b^3=
=a^3-64b^3
Hope this helps!
Please mark as brainliest if correct!
