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ohhailayne Group Title

x^2+6x+9/5x+15 simplifying rational expressions, helpppp

  • one year ago
  • one year ago

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  1. Jim766 Group Title
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    need to factor the numerator and denominator, any idea how to factor x^2 + 6x + 9 = (x )(x )

    • one year ago
  2. ohhailayne Group Title
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    yeah, would it be (x+3)(x+2) ? @jim_thompson5910

    • one year ago
  3. Jim766 Group Title
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    need two numbers that multiply to get 9, but also add up to 6

    • one year ago
  4. Jim766 Group Title
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    you are close by look again

    • one year ago
  5. ohhailayne Group Title
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    so (x+3)(x+3) but the bottom two numbers would have to be 5 & 3 right?

    • one year ago
  6. Jim766 Group Title
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    5x + 15 what is the GCF?

    • one year ago
  7. Jim766 Group Title
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    what divides evenly into both 5 and 15

    • one year ago
  8. ohhailayne Group Title
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    5! :)

    • one year ago
  9. Jim766 Group Title
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    (x+3)(x+3) ---------- now cancel out the (x-3) that is on both top and bottom 5(x + 3)

    • one year ago
  10. Jim766 Group Title
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    what is left?

    • one year ago
  11. Jim766 Group Title
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    x + 3 ----- 5

    • one year ago
  12. Jim766 Group Title
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    you good?

    • one year ago
  13. ohhailayne Group Title
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    yessss i really just needed the formula or whatever

    • one year ago
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