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Sagot :

Réponse:

4x² + 8x + 1x + 4 + 6x² + 4x + 3x + 2

simplification :

10x² + 16x + 6

Réponse:

(2x+1) (x+4) +(2x+1) (3x +2) =

(2x +1) [x+4+3x+2]

(2x+1) (4x + 6)

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