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If $\Delta = \begin{vmatrix} x - 2 & 2x - 3 & 3x - 4 \ 2x - 3 & 3x - 4 & 4x - 5 \ 3x - 5 & 5x - 8 & 10x - 17 \end{vmatrix} = Ax^3 + Bx^2 + Cx + D$, then $B + C$ is equal to:
(1) $-1$
(2) $1$
(3) $-3$
(4) $9$
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