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Sagot :

Bonjour

distributivité :

A= 15x² + 35x

B= 15x +35 -6x² - 14x= -6x² +x +35

C=

6x( x² +7)

D= (3x+7) ( 5x-3 - 5+2x) =

(3x+7) ( 7x -8)

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