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Simplify 1/9-1/x 1/81-1/x^2
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Simplify 1/9-1/x
1/81-1/x^2

Simplify 1/9-1/x 1/81-1/x^2-example-1
User NiklasLehnfeld
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\cfrac{ (1)/(9)- (1)/(x) }{ (1)/(81) - (1)/(x^2) }= \cfrac{ (x-9)/(9x) }{ (x^2-81)/(81x^2) }= \cfrac{x-9}{9x}* \cfrac{81x^2}{(x-9)(x+9)}= \cfrac{9x}{x+9}
User Marco Romelli
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