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gioanny39x

Simplify completely quantity 5 x squared minus 21 x minus 20 all over quantity 5 x squared minus 16 x minus 16

  • one year ago
  • one year ago

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  1. aroub
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    5x^2-21x-20/5x^2-16x-16 ?

    • one year ago
  2. gioanny39x
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    yes :)

    • one year ago
  3. aroub
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    Okay :) Well, all you have to do is factor and cancel.

    • one year ago
  4. aroub
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    When you factor 5x^2-21x-20 it will become (x-5)(5x+4)

    • one year ago
  5. aroub
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    and when you factor 5x^2-16x-16 it will become (5x+4)(x-4)

    • one year ago
  6. gioanny39x
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    so itll be x-5/x-4?

    • one year ago
  7. aroub
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    Yes!

    • one year ago
  8. gioanny39x
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    can you help withSimplify completely quantity 2 x squared plus 13 x plus 20 all over x squared minus 5 x minus 36 @aroub

    • one year ago
  9. aroub
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    Yeah :)

    • one year ago
  10. aroub
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    2x^2+13x+20/x^2-5x-36 Same steps as before, lets factor! 2x^2+13x+20 = (2x+5)(x+4) x^2-5x-36 = (x-9)(x+4)

    • one year ago
  11. aroub
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    => (2x+5)(x+4)/(x-9)(x+4) By cancelling, = 2x+5/x-9

    • one year ago
  12. gioanny39x
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    2x+5/x-9?

    • one year ago
  13. aroub
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    =)

    • one year ago
  14. gioanny39x
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    thank you!

    • one year ago
  15. aroub
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    No probleemmm!

    • one year ago
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