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13) Factor 2pq - 5qr + 10r - 4p
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4 votes
13) Factor 2pq - 5qr + 10r - 4p

User IiFreeman
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2 Answers

4 votes
Answer is (2p-5r) (q-2). 
User Francois Wouts
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7.2k points
2 votes
Upon a little bit of rearranging you have:

2pq-4p-5qr+10r now factoring 1st and 2nd pair of terms...

2p(q+2)-5r(q+2) which is equal to:

(2p-5r)(q+2)
User Takayuki
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7.5k points
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