if i have 1/W^{4}-W^{3}
i can factor out W^{3}(W-1)
but would my W^{3} be under As + B or As^{2 }or As^{3}
if i have 1/W^{4}-W^{3}
i can factor out W^{3}(W-1)
but would my W^{3} be under As + B or As^{2 }or As^{3}
Is W^3 part of the denominator? In other words, is the problem (1 / W^4) - W^3 or 1 / (W^4 - W^3)?