simplify please help me \frac{x - 4}{x + 6} - \frac{x - 6}{x + 4} ​

Question

simplify please help me
\frac{x - 4}{x + 6} - \frac{x - 6}{x + 4}
​

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Phúc Điền 5 years 2021-07-24T03:12:34+00:00 2 Answers 20 views 0

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  1. Tryphena
    0
    2021-07-24T03:13:41+00:00
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    Answer:

    i hope it will help you thank u

  2. ngocdiep
    0
    2021-07-24T03:14:21+00:00
    Reply

    Answer:

    \frac{20}{x^2 + 10x+24}

    Step-by-step explanation:

    common denominators : (x+6)(x+4)

    numerators become difference of squares

    x^2 -16   and   x^2-36  

    x^2 -16   –   x^2-36   = 20

    (x+6)(x+4) = {x^2 + 10x+24}

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )