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=

Respuesta :

falcon9837 falcon9837

16-11-2017

The answer is B hope this helps

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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)

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