Maths Olympiad Prep

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Problem 329

Algebra Difficulty 2.0 Find the answer CEMC Fermat · Canada · 2000

If x(x(x+1)+2)+3=x3+x2+x6x(x(x+1)+2)+3=x^3+x^2+x-6 then xx is equal to

(A) 1111 (B) 9-9 (C) 4 or 3-4 \text{ or } 3 (D) 1 or 0-1 \text{ or } 0 (E) 2-2

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