gabb6yloverya gabb6yloverya

13-03-2017
Mathematics

contestada

What multiplies to be 42 and adds to be 23?

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wolf1728 wolf1728

13-03-2017

A) x * y = 42 (or x = 42/y)
B) x + y = 23

B) 42/y + y = 23
42 + y^2 = 23y
y^2 -23y + 42 = 0

The numbers are 21 and 2

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