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Sagot :

Bonjour

Rappels :

Formule de factorisation :

K*A + K*B = K *(A+B )

Ici on a

Z=(4X×9) (5X-7)+(5X-7)

Donc : K = ( 5X-7)

A = ( 4X*9)

B =. 1

Donc '.

Z = ( 5X-7) ( 4X*9 + 1)

Z= = ( 5X-7) ( 36X +1)

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