Question

Which of the following is a factor of 2x^3 – 2?

x + 1

x^2 + x + 1

x^2 + 2x + 1

None of the above

Answer 1

divide each one :) till it fits

Answer 2

Yes, try polynomial long division. Feel free to try it out and ask me questions that come up.

Answer 3

hint it is not the first one :P

Answer 4

do you remember it :P

Answer 5

factor out the 2 first then with the remaining factor, see if it can be factored further...

Answer 6

x2 + x + 1