Vous pouvez me MONTRER svp merci d'avance. Il faut factoriser: A(t)=(3t+1)² -(4t-1)² B(t)=9(t+1)-4(2t+3)² C(t)=t² +2t+1+(t+1)(3t-5) D(t)=(2t+1)² +4t-1 E(x)=(5x-1)² +10x-2 F(x)=9x+6-(3x+2)² G(x)=(2x+5)(2-x)-2+x Résoudre a=4x² -1=0 b=(x-3)² -4=0
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