Given that \( x=-9 \) is a root of \( \left|\begin{array}{lll}x & 3 & 7 \\ 2 & x & 2 \\ 7 & 6 & ....
Given that \( x=-9 \) is a root of \( \left|\begin{array}{lll}x & 3 & 7 \\ 2 & x & 2 \\ 7 & 6 & x\end{array}\right|=0 \). The
\( \mathrm{P} \)
other two roots are:
(1) \( (1,3) \)
(2) \( (-3,1) \)
(3) \( (2,7) \)
(4) \( (-7,5) \)
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