Question

The product of two integers is 168 if one of the integers is -89, find the other integers?

Answer 1

$\textbf{Answer:}$

-»-»-»-»-» The other integer can be$\textbf{-21 or 1.88}$

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Answer 2

Let the second integer be x
Now
, According to question ,
product of (-89) and x is 168
So,
(-89) × x= 168
x= 168/(-89)
x= (-1.88 ) .which is not a integer!
Let's try another method.
factors of 168= 2³ × 3 ×7 (there no multiple of 89 as 89 is a prime factor)
By observing there are no possible values of x for which x belongs to integer set!