xxmariposa4xx xxmariposa4xx

08-07-2021
Mathematics

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The sum of a number and 2 times its reciprocal is -3

The sum of a number and 2 times its reciprocal is 3 class=

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Eddie1Wan Eddie1Wan

08-07-2021

Answer:

(-2,-1)

Step-by-step explanation:

let the number=x

its reciprocal=1/x

x+2(1/x)=-3

x+2/x=-3

x²+2=-3x

x²+3x+2=0

(x+2)(x+1)=0

x=-2,-1

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