Factoriser a = 7x au carré + x b =5(x+2)+(x+1)(x+2) c= 3(x+5)-3(1-6x)
Mathématiques
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Question
Factoriser
a = 7x au carré + x
b =5(x+2)+(x+1)(x+2)
c= 3(x+5)-3(1-6x)
a = 7x au carré + x
b =5(x+2)+(x+1)(x+2)
c= 3(x+5)-3(1-6x)
1 Réponse
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1. Réponse leprofsami
A=x.(7x+1)
B=(x+2)(5+x+1)=(x+2)(x+6)
C=3(x+5-1+6x)=3(7x+4)