kmahmud057 kmahmud057
  • 09-06-2021
  • Mathematics
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Factor completely . 121 - x ^ 2

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aditijha1509
aditijha1509 aditijha1509
  • 09-06-2021

Answer: Since both terms are perfect squares, factor using the difference of squares formula,  

a 2  −  b 2 =  ( a + b )  ( a − b)  where  a = 11  and  b = x . ( 11+x) (11-x)

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