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anonymous

  • one year ago

Simplify : 325/x - 325/x+15

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  1. TheSmartOne
    • one year ago
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    simplify 325/x - 325/x = ??

  2. anonymous
    • one year ago
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    yes ! I know that I need to find the LCD of x and x+15 but I dont remember how ...

  3. TheSmartOne
    • one year ago
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    oh you just multiply one fraction both numerator and denominator by x, and the other by (x+15)

  4. anonymous
    • one year ago
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    Could you please show me ?

  5. anonymous
    • one year ago
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    i would say they end up looking like this : 340/ x+15 - 325/ x+15

  6. TheSmartOne
    • one year ago
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    \(\huge\frac{325 (x+15)}{x(x+15)} - \frac{325(x)}{(x+15)(x)}=?\)

  7. anonymous
    • one year ago
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    Okay so what is he LCD ?

  8. TheSmartOne
    • one year ago
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    x(x+15)

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