Question

Two number differ by 3 and their product is 504. Find the number

Answer 1

Let the two numbers be x and y
x-y = 3 ..... i)
and xy=504 ....ii)
Then from i)
x = y+3 .... iii)
Putting the value of iii) in ii)


As it is not mentioned that the number is positive or negative so both then values can be recognised.
Hence if one number is 24 then the other number is 24-3=21, and
If one number is -21 then the other number is -21-3= -24