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Given X & # 178; + 5x-990 = 0, try to find the value of X & # 179; + 6x & # 179; - 985x + 2011,
x^3+6x^2-985x+2011
=x^3+5x²-990x +x²+5x-990+3001
=x(x²+5x-990)+(x²+5x-990)+3001
=3001
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