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Sagot :

Bonjour,

Réduire les expressions:

A= 3x+24+28x+8= 31x+32

B= 5x-5-14x-21x²= -21x²-9x-5

C= 8x-10x²-x+7= -10x²+7x+7

D= 3-8x-20x+35= -28x+38

E= 21-14x-8x²+4x= -8x²-10x+21

F= 7x-10+45x+63x-7= 115x-17

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