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28 April, 16:02

What is the common denominator of 5/x2-4,-2/x+2

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  1. 28 April, 16:12
    0
    complete question:

    What is the common denominator of 5/x²-4,-2/x+2

    Answer:

    The common denominator are (x + 2) and (x - 2).

    Step-by-step explanation:

    The expression is 5 / x2-4 and - 2/x+2 . The numerator is the value above the back slashed signs. The numerator in the first expression 5 / x2-4 is 5 while the numerator for the second - 2/x + 2 is - 2.

    The denominator is the value below which is x² - 4 and x + 2. To get the common denominator for the first one, you need to expand the value.

    x² - 4

    -2 and + 2 when added together will give you 0 and also if you multiply the two value - 2 and + 2 together you will get - 4

    so x² - 4 can be expanded as

    (x + 2) (x - 2).

    Therefore the common denominator are (x + 2) and (x - 2).
  2. 28 April, 16:22
    0
    Answer: A) (x + 2) (x - 2)

    Step-by-step explanation:

    The given complex fraction is

    Thus we can see that the common denominator in the above complex fraction is A) (x + 2) (x - 2)
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