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happykiddo
simplify
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...... \[\frac{ x(x-1) }{ (x-2)(x+1)}\]
i know im in the wrong section. sorry.