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Matth15
@Matth15
May 2019
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(2x-1) au cube pouvez m aider à répondre à ce calcul merci
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nini999
Verified answer
Bonsoir :
(2x-1)³
(2x-1)(2x-1)(2x-1)
(2x-1)²×(2x-1) ≡ (2x-1)² il prend la forme de (a-b)²=a²-2ab+b² ≡
Alors :
[(2x)²-2×2x×1+1²]×(2x-1)
(4x²-4x+1)(2x-1)
8x³-4x²-8x²+4x+2x+1
8x³-12x²+6x+1
J’espère t'avoir t'aider
2 votes
Thanks 1
nini999
Oui bien sur ^_^ :D :)
lauracanon
ses en histoire
lauracanon
pk apele ton la 1er guerre mondial une guerre total ??
nini999
Je suis un peu nul en Histoire ! :) :D ^_^
lauracanon
ah ok ba mrc comme mm
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Lista de comentários
Verified answer
Bonsoir :(2x-1)³
(2x-1)(2x-1)(2x-1)
(2x-1)²×(2x-1) ≡ (2x-1)² il prend la forme de (a-b)²=a²-2ab+b² ≡
Alors :
[(2x)²-2×2x×1+1²]×(2x-1)
(4x²-4x+1)(2x-1)
8x³-4x²-8x²+4x+2x+1
8x³-12x²+6x+1
J’espère t'avoir t'aider