October 2020 0 85 Report
BONJOUR : elève de 3eme : POUVEZ VOUS VERIFIER :

Factoriser l'expression suivantez : (6x-11)(5x-7)-(3x+8)(6x-11)
=(6x-11) [(5x-7)-(3x+8)]
= (6x-11)(2x-15)
=12x²+90x-22x-165
=12x²-68x-165

D'avance merci
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