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

\[\sqrt{\mathbf{(}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-x-2)(2}{{\mathbf

1.	\[\sqrt{\mathbf{(}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-x-2)(2}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{+5x+3)(2}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-x-6)}}\]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
Answer» D. \[(x-1)(x+2)(2x+3)\]

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

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