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FeoNeo33

  • 2 years ago

Multiplying and Dividing Rational Expressions Question: http://i50.tinypic.com/24pjw51.png Possible answers -------------- (x-5)(x+4 --------- 2 (x+5)(x+4) --------- 2 (x+5)(x-4) --------- 2 (x-5)(x-4) --------- 2

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  1. pfenn1
    • 2 years ago
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    \[\frac{x^2+8x+15}{x-4} \times \frac{x^2-16}{2x+6}\]First thing we want to do is factor the expressions if we can. Like take the 2 out of the denominator of the 2nd term.\[2x+6=2(x+3)\]Can you factor x^2 - 16? Hint: x^2 - a^2 = (x - a) (x + a)

  2. FeoNeo33
    • 2 years ago
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    Thanks, I kinda found the answer.

  3. sonofa_nh
    • 2 years ago
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    i can show you the steps if you want

  4. sonofa_nh
    • 2 years ago
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    (x+5)(x+4)/2

  5. FeoNeo33
    • 2 years ago
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    thanks ^, and I had that, lol, just needed like... checking? u know. Double check my work.

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