Factoriser: [tex] x^{2} +3x+(x+3) ^{2} [/tex]
Mathématiques
benmoha
Question
Factoriser:
[tex] x^{2} +3x+(x+3) ^{2} [/tex]
[tex] x^{2} +3x+(x+3) ^{2} [/tex]
1 Réponse
-
1. Réponse MichaelS
[tex]x^2+3x+(x+3)^2=x(x+3)+(x+3)^2 \\ x^2+3x+(x+3)^2=(x+3)(x+(x+3))\\ x^2+3x+(x+3)^2 = (x+3)(2x+3)[/tex]