Réponse:
c=(2+x)(2x-1+3)
=(2+x)(2x+2)
D=(5x+2)(2x+1-x-3)
=(5x+2)(x+2)
E=(x+1)(2×+1+×+2+3)
=(×+1)(3×+6)
F=(×-2)(×-2-3)
=(×-2)(×-5)
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Réponse:
c=(2+x)(2x-1+3)
=(2+x)(2x+2)
D=(5x+2)(2x+1-x-3)
=(5x+2)(x+2)
E=(x+1)(2×+1+×+2+3)
=(×+1)(3×+6)
F=(×-2)(×-2-3)
=(×-2)(×-5)