Bjr jaimerais de l'aide svp pour: Developper: 2x (3+2x) Factoriser: 3,5x +3,5y

Bonsoir,

Developper: 2x (3+2x)

[tex]2x (3+2x)=2x\times3+2x\times2x\\\\\boxed{2x (3+2x)=6x+4x^2}[/tex]

Factoriser: 3,5x +3,5y

[tex]\boxed{3,5x +3,5y=3,5(x+y)}[/tex]