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Answered

Développer et reduire et factoriser : =( x-3)²+(x-3)(1-2x) Developper et factoriser : =(3x+2)+2x(3x+2) Factoriser: 9x²-24x+16 et (x+1)²-36 Merci c'est tres urgent !

Sagot :

Developper et factoriser : ( x-3)²+(x-3)(1-2x) (x-3)(x-3+1-2x)=-(x-3)(x+2)=-x²+x+6

(3x+2)+2x(3x+2)=(3x+2)(1+2x)=6x²+5x+2

Factoriser: 9x²-24x+16 : (3x-4)²

et (x+1)²-36 (x+1-6)(x+1+6)=(x-5)(x+7)

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