Réponse:
A=3×4x+3×2=12x+6
B=-6×5-6×(-8x)=-30+48x
c=4X×3X+4X×7=12X^2+28X
D=5x-18x+6X^2=-13x+6x^2
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B= -30 + 48x
C=12x+ 28
Réponse:
A=3×4x+3×2=12x+6
B=-6×5-6×(-8x)=-30+48x
c=4X×3X+4X×7=12X^2+28X
D=5x-18x+6X^2=-13x+6x^2