I'm stumped on this.. I don't remember this stuff and I need help. Not even sure it is in the right forum, but my Trig teacher gave us this on a worksheet so I tried my luck..

(Moderator - looked for a mod or admin online but none on to ask where to post this - please move to correct forum for me, if not in correct one.. thanks)

If

*x* and

*n* are positive integers with

*x > n* and

*Xⁿ - Xⁿ⁻¹ - Xⁿ⁻² *= 2009, find *x + n.* Choices: A - 10 B - 11 C - 12 D - 13 E - 14 If anyone is able to answer this, can you explain how you got your answer so I can see what I should be doing here? I really appreciate it. Thanks.. Ang