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neverforgetvivistee

simplyfing radical expressions: how do you find x^3-x^2-42x ------------ 2x^2-20x+42

  • 2 years ago
  • 2 years ago

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  1. Hero
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    :/

    • 2 years ago
  2. neverforgetvivistee
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    oops

    • 2 years ago
  3. neverforgetvivistee
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    wait it's not radical it's rational

    • 2 years ago
  4. neverforgetvivistee
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    rational expressions

    • 2 years ago
  5. neverforgetvivistee
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    i learned when it's x^2 but not x^3

    • 2 years ago
  6. neverforgetvivistee
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    i mastered radical expressions by the way

    • 2 years ago
  7. Akshay_Budhkar
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    take the x common in the numerator you get a quadratic equation which is what you know

    • 2 years ago
  8. neverforgetvivistee
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    by everything?

    • 2 years ago
  9. neverforgetvivistee
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    oh wait

    • 2 years ago
  10. Sarah.L
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    \[\large{\frac{x^3-x^2-42x}{2x^2-20x+42}= \frac{x(x^2-x-42)}{2x^2-20x+42}}\]

    • 2 years ago
  11. neverforgetvivistee
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    oh i see, thanks!

    • 2 years ago
  12. Hero
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    Of course it can be simplified further

    • 2 years ago
  13. Sarah.L
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    yes^

    • 2 years ago
  14. Hero
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    neverforgetvivistee should post her solution on here to make sure it is right

    • 2 years ago
  15. Sarah.L
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    yes^

    • 2 years ago
  16. neverforgetvivistee
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    i got x(x+6)/2(x+3)

    • 2 years ago
  17. neverforgetvivistee
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    wait no it's x-3

    • 2 years ago
  18. neverforgetvivistee
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    x(x+6)/2(x-3)

    • 2 years ago
  19. Sarah.L
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    yeah thats right

    • 2 years ago
  20. neverforgetvivistee
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    nice

    • 2 years ago
  21. neverforgetvivistee
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    i'll master rationals soon

    • 2 years ago
  22. Sarah.L
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    GoodLuck ;)

    • 2 years ago
  23. neverforgetvivistee
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    thanks everyone

    • 2 years ago
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