Question

Does anyone know how to do this: Factor completely: 16x^3+2

Answer 1

start by factoring the gcf

Answer 2

2 (2 x+1) (4 x^2-2 x+1) but that is a bit messy

Answer 3

k thks

Answer 4

u wlc :)
we need to knw this identity when factoring it :
a^3 + b^3 = (a+b)(a^2-ab+b^2)

Answer 5

wait, so do we use the quadratic formula after that?

Answer 6

yes but u wil get complex roots

Answer 7

k thnks

Answer 8

np :)

Answer 9

when done, u may verify ur answer wid wolfram :
http://www.wolframalpha.com/input/?i=factor+16x%5E3%2B2

Answer 10

mg that is one awesome site