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Simplify quantity 1 over 9 minus 1 over x all over 1 over 81 minus 1 over x squared

Brandon Scott

in Mathematics

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Roger Moore on August 24, 2018

(1/9 - 1/x ) : ( 1/81 - 1/x2 ) == [( x - 9 ) / 9 x] : [( x2 - 81 ) / 81 x2] == [( x - 9 ) / 9x ] · [ 81 x2 / ( x - 9 ) ( x + 9 ) ] = =


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