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Sagot :

(3x+2)*(2x+1)

= 3x*2x + 3x*1 +2*2x + 2*1

= 6x² + 3x + 4x + 2

= 6x² + 7x + 2

 

en espérant t'avoir aidé.

 

( 3x+2) *(2x+1)= 3x ( 2x+1) + 2(2x+1)  = 6x²+3x + 4x +2 = 6x²+ 7x + 2

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