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(2-x)^3=...............

Răspuns :

(2-x)^3 = 2^3 - 3*2^2*x + 3*2*x^2 - x^3 = 8 - 12x + 6x^2 - x^3
(2-x)³= 2³- 3×2²×x + 3×2×x²- x³=8-12x+6x²-x³