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Piglionit
@Piglionit
May 2019
2
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Pouvez vous m’aider svp
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calinizou
Verified answer
Bon soir
exercice 3
a =(x+3)(x-1)+3x(2x-3)=
x²-x+3x-3+6x²-9x=7x²-7x-3
b=(4x-3)²-4=16x²-24x+9-4=16x²-24x+5
c= (3x+2)*(x+4)²=(3x+2)*(x²+8x+16)=3x au cube +24x²+48x+2x²+16x+32=3x au cube +26x²+64x+32
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elmessaoudiamina
A
B
C
2
D=
E
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Verified answer
Bon soirexercice 3
a =(x+3)(x-1)+3x(2x-3)=
x²-x+3x-3+6x²-9x=7x²-7x-3
b=(4x-3)²-4=16x²-24x+9-4=16x²-24x+5
c= (3x+2)*(x+4)²=(3x+2)*(x²+8x+16)=3x au cube +24x²+48x+2x²+16x+32=3x au cube +26x²+64x+32
B
C
2
D=
E