Question

how do you factor 64a^3b - 32a^3+ 16a^2b - 8a^2

Answer 1

what is the greatest common factor of the terms.

Answer 2

8a^2

Answer 3

so its 8a^2(8ab-4a=2b-1)
i just don't know how to simplify it from here

Answer 4

8a^2(8ab-4a+2b-1) meant that sorry

Answer 5

pulling out the \[-8a^2\]
gives
\[-8a^2(4a-2b-8ab+1)\]

Answer 6

@tomo

Answer 7

@dsullivan94 how then would you get to 8a^2(2b-1)(4a+1)?