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What factors of 80 add up to -21?
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2 votes
What factors of 80 add up to -21?

User DELUXEnized
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2 Answers

6 votes
-16 and -5 are the only ones that add up to -21
User Enos
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1 vote
-16 & -5 multiply to 80 and add up to -21
User Plinkplink
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