Loukqcsophia Loukqcsophia

03-02-2017
Mathematics

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What 2 numbers add to 17 and multiply to -168?

Respuesta :

wolf1728 wolf1728

07-02-2017

A) x + y = 17
B) x * y = -168

y = -168/x then inputting this into A)

x + -168/x = 17
x^2 -168 -17x = 0

x = 24 and x = -7

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