key43 key43
  • 24-08-2017
  • Mathematics
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witch of the following are the factors of 4b^2 - 16?

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choixongdong
choixongdong choixongdong
  • 24-08-2017
4b^2 - 16 = (2b + 4)(2b - 4)

difference of squares 
a^
2 – b^2 = (a + b)(a – b) 

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