Question

simplify

Answer 1

Show me how to simply this rational expression.......
\[\frac{ x ^{2}-x }{x ^{2}+9x+20 }\div \frac{ x ^{2}-1 }{x ^{2}-2x+1}\]
To get......
\[\frac{ x(x-1) }{ (x-2)(x+1)}\]

Answer 2

i know im in the wrong section. sorry.