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Helpmedu69
@Helpmedu69
April 2019
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Je dois prouver l equation si join mais je n y arrive pas
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1/2(x-1)²-(x³-3x-6)/(2x+4)
=((x+2)(x-1)²-x³+3x+6)/(2x+4)
=((x+2)(x²-2x+1)-x³+3x+6)/(2x+4)
=(x³-2x²+x+2x²-4x+2-x³+3x+6)/(2x+4)
=(8)/(2x+4)
=
4/(x+2)
1 votes
Thanks 1
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bonjour c est extremement urgent aider moi a fair la derniere question ecrite main le tout bien entendu en espagnol merci d avancevous trouverez deux image si join
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=((x+2)(x-1)²-x³+3x+6)/(2x+4)
=((x+2)(x²-2x+1)-x³+3x+6)/(2x+4)
=(x³-2x²+x+2x²-4x+2-x³+3x+6)/(2x+4)
=(8)/(2x+4)
=4/(x+2)