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Factor the following expression using the GCF: 2dr – 4r. r(2d – 4) 2r(d – 2) 2(dr – 2r) 2r(d – 1)
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Factor the following expression using the GCF: 2dr – 4r.

r(2d – 4)
2r(d – 2)
2(dr – 2r)
2r(d – 1)

User Jeremy Hunt
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2 Answers

2 votes
Second answer because 2r is the greatest factor that you can take of both 2dr and 4r
User Ptrk
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12 votes
2r(d - 2)
factor out 2 r from the expression
User Brendan Weinstein
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