Réponse : exercice1
A= 2(3-x)
A= 6-2x
B=(5y-2)(4+y)
B= 20y+5y²+2-2y
C= (3x-6)²
C= 9x²-36x+36
D= (3+4c)²- 3c(x-2)
D= 9+24c+16c-3cx+6c
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Réponse : exercice1
A= 2(3-x)
A= 6-2x
B=(5y-2)(4+y)
B= 20y+5y²+2-2y
C= (3x-6)²
C= 9x²-36x+36
D= (3+4c)²- 3c(x-2)
D= 9+24c+16c-3cx+6c