if anyone is familiar with afm (advanced formulas mathematics) mind pming me and walk me through a few problems?

been out for a few days and for 4 days and i missed a whole lesson that i couldnt fully makeup and im struggling with a few problems. would appreciate it

what is the exact topic?

^^
actually post one of those problems you are struggling with

wasnt gonna post just watned a walkthrough via pm :/

but heres a problem

simplify:
(ab^(2)c^(-3)/2a^(3)b^-4)^-2

final answer cant have negatives which is what is screwing me up

This post was edited by Telemachus on Jan 9 2014 08:11pm

remember the rule..... x^(-1) = 1/x

also 1/[x^(-5)] = x^5

this. just go ahead and get rid of all the negatives from the start and then simplify.