February 2021 0 61 Report
Bonjour jai besoin daide ! factoriser les expressions .
A=(2x-7)²-49
B=(3x-3)(2x+7)-(9x²-9)
C=4(1-6x)(7x-2)+9(x-3)(7x-2)
D=(5x-8)²-(2x+9)²
merci beaucoup d'avance !!!
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