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aider moi svpl a faire les exercice de math Le coup du 1 factoriser chaque expressions. A=5x+5 B=3x-6x C=3x+2+2x(3x+2) D=(x+9)(x+6)+x+9 E=(2x-5)+2x-5

Répondre :

A=5x+5 = 5(x+1)


B=3x-6x = erreur non ?

si B = 3x-6 = 3 (x-2)


C=3x+2+2x(3x+2)  = (3x+2) (1+2x)


D=(x+9)(x+6)+x+9 = (x+9) (x+6+1) = (x+9) (x+7)


E=(2x-5)+2x-5 ?  = 2 (2x-5)

Bonjour

A=5x+5 = 5(x+1)

B=3x-6x = -3x

C=3x+2+2x(3x+2)

= (3x+2) + 2x(3x+2)

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

D=(x+9)(x+6)+x+9

(X+9)(x+6) +(x+9)

(X+9)(x+6+1)

(X+9)(x+7)


E=(2x-5)+2x-5

= (2x-5) + (2x-5)

= (2x-5)(1+1)

= 2(2x-5)