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lisaalgerie93
@lisaalgerie93
June 2021
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bonjour aidez moi a cette exo 42 svppp
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jujitsuzakaria
1) G=4x²-20x+25+(2x-5)(3x+4)
=4x²-20x+25+6x²+8x-15x-20
=10x²-27x+5
2) 4x²-20x+25=(2x)²-2×2x×4+5²
=(2x-5)²
3) G=4x²-20x+25+(2x-5)(3x+4)
=(2x-5)²+(2x-5)(3x+4)
=(2x-5)[(2x-5)+(3x+4)]
=(2x-5)(2x-5+3x+4)
=(2x-5)(5x-1)
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lisaalgerie93
merci bcpp
jujitsuzakaria
de rien
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bonsoir aidez moi svppp a cette exo de math super difficile
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bonsoir aidez moi svp a ces 2 exos de math super difficile j'arrive pas a les faire aidez moii svpp
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Salut tout le monde aidez moi svp c'est pour demain
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Bonjoir SVP aidez moi a cet exo svp jai rien compris
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Bonsoir svppp c'est pour demain,jai rien compris
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Bonjour aidez moi svppp a cet exo de math
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Bonsoir aidez moi SVP a cet exo en math
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Slt tout le monde aidez moi a cet exo de math svp
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Lista de comentários
=4x²-20x+25+6x²+8x-15x-20
=10x²-27x+5
2) 4x²-20x+25=(2x)²-2×2x×4+5²
=(2x-5)²
3) G=4x²-20x+25+(2x-5)(3x+4)
=(2x-5)²+(2x-5)(3x+4)
=(2x-5)[(2x-5)+(3x+4)]
=(2x-5)(2x-5+3x+4)
=(2x-5)(5x-1)