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Sagot :

REBORN

[3x-1][2x+3]=6x*2+6x-2x-3=6x*2+4x-3

[x-5][x-6]=x*2-6x-5x+30=x*2-11x+30

[8x-7][12-3x]=96x-24x-84+21x=93x-84

 

[3x-1][2x+3]=6x*2+6x-2x-3=6x*2+4x-3

 

[x-5][x-6]=x*2-6x-5x+30=x*2-11x+30

 

[8x-7][12-3x]=96x-24x-84+21x=93x-84

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