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Which of the following are the factors of 4b^2-16?

Which of the following are the factors of 4b^2-16?
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1 vote
Which of the following are the factors of 4b^2-16?

Which of the following are the factors of 4b^2-16?-example-1
User Detay
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2 Answers

5 votes
The answer is B hope this helps

User Nmanikiran
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3 votes
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)
User Brad Zeis
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