Recent content by axon23

yea but what if i wanted to figure out the answer without a calculator. how would the process be done?

x4+4x3-7x2-12x+24=0 Ive been working on this with my brother for a long time and we don't need to find an answer. we just need to reach a point when we can say that the solution is complex. Any ideas? Any nudge in the right direction with be great. We tried completing squares...

i already wrote a program to try many different functions with different values and i get that there are no solutions.. but i just don't know how to get to that point.

Hi I need some help with the following problem: 1. Find all functions f: Z+ -> Z+ such that for each n Є Z+ we have f(n) > 1 and f(n + 3)f(n + 2) = f(n + 1) + f(n) + 18 2. I've been reading everywhere and I can't seem to find anything like this. I was wondering if anybody knew where to start 3...