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kimphuong1032
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a) $x^3 - x^2 - 4$
b) $x^3+5x^2+8x +4$
c) $3^3– 7x^2+17x–5$
d) $x^5–2x^4+3x^3–4x^2+2$
e) $x^4+1997x^2+1996x+1997$
f) $x^2− x−2001.2002$
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b) $x^3+5x^2+8x +4$
c) $3^3– 7x^2+17x–5$
d) $x^5–2x^4+3x^3–4x^2+2$
e) $x^4+1997x^2+1996x+1997$
f) $x^2− x−2001.2002$