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mitchelsewbaran

  • 2 years ago

What is the simplified form of the equation below?

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  1. yummydum
    • 2 years ago
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    i look below i no see equation o.o

  2. mitchelsewbaran
    • 2 years ago
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    hold on!

  3. yummydum
    • 2 years ago
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    HOLDING ON!! D:

  4. mitchelsewbaran
    • 2 years ago
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  5. yummydum
    • 2 years ago
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    dividing a fraction by a fraction is the same as multiplying a fraction by the reciprocal of another fraction...like this: \[\huge{{a\over b}\over{c\over d}}~~~~~\implies~~~~~{{a\over b}\times{d\over c}}\]

  6. yummydum
    • 2 years ago
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    so in your case its:\[\huge{{12x\over x^2+6x+9}\over{4x^2\over x^2-9}}~~~~~\implies~~~~~{{12x\over x^2+6x+9}\times{x^2-9\over4x^2}}\] so now just cross multiply

  7. mitchelsewbaran
    • 2 years ago
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    here are the answers

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  8. mitchelsewbaran
    • 2 years ago
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    so it's the 4th one?

  9. yummydum
    • 2 years ago
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    one sec :)

  10. yummydum
    • 2 years ago
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    \[\large{{12x\over x^2+6x+9}\times{x^2-9\over4x^2}}~~~~~\implies~~~~{{12x\times(x^2-9)}\over{x^2+6x+9\times (4x^2)}}\]sorry i wrote that wrong...this gives you:\[\large{12x^3-108x\over 4x^4+24x^3+36x^2}\]simpllify that

  11. mitchelsewbaran
    • 2 years ago
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    i simplified it. it's the 2nd one

  12. yummydum
    • 2 years ago
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    yup! :D

  13. mitchelsewbaran
    • 2 years ago
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    thnx, bro!

  14. yummydum
    • 2 years ago
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    no problem!

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