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Cel mai inteligent răspuns!
2014-09-25T21:58:55+03:00
(a×a)+a×(a+2)×(a+3)+1=a^2+a×a+2a×(a+3)+1=a^2+a^2+2a×a+2a×3+1=a^2+a^2+2×a^2+2a×3+1=2 (a^2)+2 (a^2)+6a+1=4 (a^2)+6a+1=4a×4a+6a+1=16a+6a+1=22a+1
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