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Sagot :

3x-3 = 3(x-1)  

 

4x+6= 2(2x+3)

 

8+2x=2(4+x)

 

7y²-5y= y(7y-5)

 

30a+36a²= 6a(5+6a)

 

-9x²-9 = -9(x²+1)

 

 

LUDIVINE62370
A= 3 x ixe - 3x 1
A= 3(x+1)
B= 2x2ixe + 2x3
B= 2(2ixe + 3 )
C= 2x 4 + 2x ixe
C= 2(4+ ixe)

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