Seudónimo Seudónimo
  • 16-11-2017
  • Mathematics
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which of the following are the factors of 4b^2-16?

which of the following are the factors of 4b216 class=

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falcon9837
falcon9837 falcon9837
  • 16-11-2017
The answer is B hope this helps

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choixongdong
choixongdong choixongdong
  • 16-11-2017
a^2 - b^2 = (a+b)(a- b)
so
4b^2-16 = 4(b^2 - 4) = 4(b+2)(b-2)

answer 
D. 4(b+2)(b-2)
Answer Link

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