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[" 5.If "x^(3)-3x^(2)+3x-7=(x+1)(ax^(2)+...

[" 5.If "x^(3)-3x^(2)+3x-7=(x+1)(ax^(2)+bx+c)" ,then "a+b+c=],[[" (a) "4," (b) "12," (c) "-10," (d) "3]]

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