Bonjour,
Développer:
B= 3x+27-2x²-18x= -2x²-15x+27
C= 30y+50+3y²+5y= 3y²+35y+50
D= 3z-6-z²+2z= -z²+5z-6
E= 5(3g²-6g+g-2)= 15g²-25g-10
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Bonjour,
Développer:
B= 3x+27-2x²-18x= -2x²-15x+27
C= 30y+50+3y²+5y= 3y²+35y+50
D= 3z-6-z²+2z= -z²+5z-6
E= 5(3g²-6g+g-2)= 15g²-25g-10