Réponse :
1) A=25x²+4x+10
2)B= -2x²-2x+11
3)C= (x-3)(x+4)
=x²+4x-3x-12
=x²+x-12
4)D= 3(x + 3)
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Réponse :
1) A=25x²+4x+10
2)B= -2x²-2x+11
3)C= (x-3)(x+4)
=x²+4x-3x-12
=x²+x-12
4)D= 3(x + 3)