Taystabs
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  • 26-02-2018
  • Mathematics
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What is the common denominator of

What is the common denominator of class=

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sqdancefan
sqdancefan sqdancefan
  • 24-09-2019

Answer:

  (x + 2)(x - 2)

Step-by-step explanation:

You recognize that the difference of squares x²-4 can be factored as ...

  x² -4 = (x +2)(x -2)

This already contains the factor x+2, so it is the appropriate common denominator.

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