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ikoreanx3

  • 2 years ago

Add: 3/x^2 + 2/7x = ? Please, help ^^;

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  1. Melisac
    • 2 years ago
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    just make a common denominator, multiply the first one by 7 and the second one with x. Then you will get (21+ 2x) / 7x^2

  2. ikoreanx3
    • 2 years ago
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    \[\frac{ 3 }{ x^2 }+\frac{ 2 }{ 7x }\]

  3. ikoreanx3
    • 2 years ago
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    I don't get how you got that.

  4. Melisac
    • 2 years ago
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    ok so for 3/ x^2 just multiply both top and the bottom with 7 and then for 2/7x multiply both top and the bottom with x. Which will give you 21/7x^2 and 2x / 7x^2 right? so then just combine them as you are adding and your answer should be (21+ 2x) / 7x^2

  5. ikoreanx3
    • 2 years ago
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    Thank you.

  6. Melisac
    • 2 years ago
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    you're welcome..

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