what multiplies to -4 and adds up to 7?

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10-01-2016
Mathematics

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what multiplies to -4 and adds up to 7?

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Billymkhoi Billymkhoi · Answer 1 · 2016-01-10T22:21:33-05:00

Billymkhoi Billymkhoi

10-01-2016

The two numbers are (7+ sqrt(65))/2 and (7- sqrt(65))/2

(7+ sqrt(65))/2+ (7- sqrt(65))/2= 7
(7+ sqrt(65))/2* (7- sqrt(65))/2)= -4.

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