Modulus

How does x+x  2=x  (x  2) imply x(x  2) ≤ 0 ?

@SarmisthaNag It's an identity when a+b = ab then always a(ab)<0.
How does x+x  2=x  (x  2) imply x(x  2) ≤ 0 ?
@SarmisthaNag It's an identity when a+b = ab then always a(ab)<0.