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saumyawardhan1

  • one year ago

PLease Help Easy Question!!!

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  1. saumyawardhan1
    • one year ago
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    \[\frac{ 21 }{ (12-x) }-\frac{ 21 }{ 12+x }\] How o solve these?

  2. wio
    • one year ago
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    Find a common denominator.

  3. hartnn
    • one year ago
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    \[\large\frac{a}{b}+\frac{c}{d}=\frac{ad+bc}{bd}\]

  4. angela210793
    • one year ago
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    find the common denom and this is what it will be also (a-b)*(a+b)=(a^2-b^2) |dw:1356524168863:dw|

  5. hartnn
    • one year ago
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    to simplify the process, you can factor out 21 before cross-multiplying.

  6. saumyawardhan1
    • one year ago
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    dun guys ty

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