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Sagot :

Réponse:

bonjour

a. (x+6 )= x6(x -6)= -6x + 6x = x

b. (3x+2)= 5x (3x-2)= 1x 5x+1x=6x

c. (5×-4)= 1x(5x+4)=9x 9x+1x = 10x

d.(6x-5)=1x (6x+5)=11x = 11x + 1x = 12x

derien bonne nuit

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