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What adds together to make -5 and times together to get 8

 Dec 1, 2015
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What adds together to make -5 and times together to get 8

 

Let the two numbers be:a, b , then we have:

a+b=-5, and

ab=8

a=-5-b sub.

-5-b+b=8

-5=8!!!!!!!!!!!!!!!!!!!. Not Valid.

 Dec 1, 2015

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