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# If 5 is one root of the equation $\begin{vmatrix}x&3&7\\2&x&-2\\7&8&x\end{vmatrix}=0$ then the other two roots of the equation are

$\begin{array}{1 1}(A)\;-2,7&(B)\;-2,-7\\(C)\;2,7&(D)\;2,-7\end{array}$