question_answer

The H.C.F. of two expressions is x and their L.C.M. is \[{{x}^{3}}-9x\]. If one of the expression is \[{{x}^{2}}+3x\], then the other expression is

A)  \[{{x}^{2}}-3x\]             

B)         \[{{x}^{3}}-3x\]

C)  \[{{x}^{2}}+9x\]              

D)        \[{{x}^{2}}-9x\]