Question 89983
7/3X & -10/X^2 HAVE 3&X & X&X AS FACTORS. NOW WE NEED TO MULTIPLY ALL COMMON & ALL UNIQUE FACTORS. THE COMMON FACTOR IS X & THE UNIQUE FACTORS ARE 3 & X. THUS WE HAVE 3*X*X OR 3X^2 WHICH IS THE LOWEST COMMON FACTOR. 
ANSWER C).