rodrigocavazos2
rodrigocavazos2 rodrigocavazos2
  • 25-01-2018
  • Mathematics
contestada

Can somone help me thank you

Can somone help me thank you class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 25-01-2018
answer is
(x + 2)(x - 2)

hope it helps
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jimthompson5910 jimthompson5910
  • 25-01-2018
Answer: Choice A; (x+2)(x-2)

We can factor x^2-4 into (x+2)(x-2) using the difference of squares rule. Notice how (x+2) is a factor, and its found in the other denominator as well. The missing term in the second denominator is (x-2). If we multiply top and bottom of the second fraction by (x-2), then we'll get to the LCD
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