Question

a^3-64a^2-4a+256 factor

Answer 1

(a^2-4)*(a-64)

Answer 2

=(a^2(a-64))-4(a-64)
=(a^2-4)(a-64)

Answer 3

=(a+2)(a-2)(a-64)

Answer 4

a^2(a-64)-4(a-64)
=(a-64)(a^2-4)
=(a-64)(a-2)(a+2)