Question

I need answer for this by step by step explanation​

Answer 1

I think this will help full

Answer 2

Answer:

$\frac{ {x}^{3} }{x - y} + \frac{ {y}^{3} }{y - x}$

$= \frac{ {x}^{3} (y - x) + {y}^{3} (x - y)}{(x - y)(y - x)}$

$= \frac{ {x}^{3}y - {x}^{4} + x {y}^{3} - {y}^{4} }{xy - {x}^{2} - {y}^{2} + xy }$

Hope it helps u...