SOLUTION: can you please help me? {{{23/3xy-1/3xy^5}}} a.simplest form b.{{{22y^4/3xy^5}}} c.{{{(23y^4-1)/3xy^5}}}

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: can you please help me? {{{23/3xy-1/3xy^5}}} a.simplest form b.{{{22y^4/3xy^5}}} c.{{{(23y^4-1)/3xy^5}}}      Log On


   

Question 190590: can you please help me?

23%2F3xy-1%2F3xy%5E5
a.simplest form
b.22y%5E4%2F3xy%5E5
c.%2823y%5E4-1%29%2F3xy%5E5
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
23%2F%283xy%29-1%2F%283xy%5E5%29 Start with the given expression.


%2823%2Ay%5E4%29%2F%283xy%2Ay%5E4%29-1%2F%283xy%5E5%29 Multiply the first fraction by y%5E4%2Fy%5E4 to get the denominators equal


%2823y%5E4%29%2F%283xy%5E5%29-1%2F%283xy%5E5%29 Multiply


%2823y%5E4-1%29%2F%283xy%5E5%29 Combine the fractions.


So 23%2F%283xy%29-1%2F%283xy%5E5%29=%2823y%5E4-1%29%2F%283xy%5E5%29 where x%3C%3E0 or y%3C%3E0