a= 10-5x
b=6x-10y
c=14x-7xau carre
d= -24y + 15yau carre
bonjour
utilise la simple distributivité
A=5(2-x)=
10-5x
B= -2(-3x+5y)=
6x-10y
C=7x(2-x)=
14x-7x²
D=-3y(8-5y)=
-24y+15y²
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a= 10-5x
b=6x-10y
c=14x-7xau carre
d= -24y + 15yau carre
bonjour
utilise la simple distributivité
A=5(2-x)=
10-5x
B= -2(-3x+5y)=
6x-10y
C=7x(2-x)=
14x-7x²
D=-3y(8-5y)=
-24y+15y²