Factoriser A=x2+3x B=x(2x-1)+x(x+3)
Mathématiques
lelong
Question
Factoriser A=x2+3x
B=x(2x-1)+x(x+3)
B=x(2x-1)+x(x+3)
1 Réponse
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1. Réponse nonotata
a = x²+3x = (x(x+3)
B=x(2x-1)+x(x+3)
= 2x²-x+x²+3x
=3x²+2x
= x(3x+2)