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Sagot :

MAELLALAP

Question 6: D

Question 7: B

K= (5a+3) (3a-2)

K= 5a× 3a+5a× (-2) +3×3a+3×(-2)

K= 15a²-10a+9a-6

K= 15a²-a-6

Question 8: D

L= (7-b)×7

L= 7×7+7×(-b)

L= 49-7b

Other Questions

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