1.

The sum of the real roots of the equation \(\left| {\begin{array}{*{20}{c}}x&{ - 6}&{ - 1}\\2&{ - 3x}&{x - 3}\\{ - 3}&{2x}&{x + 2}\end{array}} \right| = 0\), is equal to:

A. 6
B. 0
C. 1
D. -4
Answer» C. 1


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