<PRE><B>Question 769986</B>
2  -2  3
1  -5  1


2  -2  3   0  0
  -10 10 -15  0
0  0   2  -2  3
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2  -12  15  -17  3




2x^4 - 12x^3  +15x^2 - 17x +3
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