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Mybrainvsme

  • 4 years ago

who wants to rationalize some expressions :D? 3xy/xy+x = 3?

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  1. Mybrainvsme
    • 4 years ago
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    not = but the answer is 3 after cancling

  2. Mybrainvsme
    • 4 years ago
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    oo we're not even rationalizing. I meant just simplify rational expressions.

  3. dinainjune
    • 4 years ago
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    which mean x =0 ?

  4. Dangolbery
    • 4 years ago
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    3 + x = 3 ?

  5. Mybrainvsme
    • 4 years ago
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    factor then cancle

  6. Mybrainvsme
    • 4 years ago
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    3xy/xy+x xy+x factors to just x(y) right?

  7. dumbcow
    • 4 years ago
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    is the denominator (xy+x)

  8. Mybrainvsme
    • 4 years ago
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    which would then cancle with the xy on top leaving only 3. yes dumb

  9. dumbcow
    • 4 years ago
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    \[\frac{3xy}{xy+x} = \frac{3xy}{x(y+1)} = \frac{3y}{y+1}\]

  10. dumbcow
    • 4 years ago
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    only the x cancels

  11. Mybrainvsme
    • 4 years ago
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    hummmm..

  12. Dangolbery
    • 4 years ago
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    Oh you ment 3xy/(xy+x) :)

  13. dumbcow
    • 4 years ago
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    when you factor something out, divide by each term xy/x = y x/x = 1

  14. Mybrainvsme
    • 4 years ago
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    dumb would you look at another?

  15. dumbcow
    • 4 years ago
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    sure

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