Hey....help wid math...grade 12 math?

ok i cant solve dis transformation prob....the relation y^4 - y^3 = x^3 -x^2 is reflected on both x-axis and y-axis. It is then compressed vertically by a factor of 1/5 and expanded horizontally by a factor of 2. state the equation of the new relation.....plz guys help me.....urgent....even if u dont know how to do d whole ques....jst tel me watever u know abt it.....n if u know d whole thing...plz tel me hoq to do it....d full method.....plz b detailed......thnk u so mch for ur help.....