Soit x un nombre ratinnel. On donne: D=(2x-5)×(-3x+3)-20x+4x²+25
1) Développer et réduire D
2...
Mathematics, 12.02.2021 19:20 maciemarklin3032
Soit x un nombre ratinnel. On donne: D=(2x-5)×(-3x+3)-20x+4x²+25
1) Développer et réduire D
2)Factoriser D
3)Calculer D pour x= -1/2
Answers: 3
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