question_answer

\[\sqrt{\mathbf{(}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-x-2)(2}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{+5x+3)(2}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-x-6)}}\]equals to ________

A) \[(x-1)(x+2)(x-3)\]          

B)                    \[(x+1)(x-2)(x-3)\]

C) \[(x+1)(2x+3)(x-2)\]

D)                    \[(x-1)(x+2)(2x+3)\]

E) None of these