January 2021 0 62 Report
On considère l’expression B(x) définie par : B(x)= (x+1)(1-4x)-2(x+1)(x+5) 1 - Devloppez B(x)

2 - Factoriser B(x)

3 - Calculez B(x) pour x= -1 ce que l´on notera B(-1)

Aidez moi svp
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