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Ce formula are: x la a 2a +4x+3??

Răspuns :

[tex]x^2+4x+3=x^2+x+3x+3=x(x+1)+3(x+1)=(x+1)(x+3)[/tex]Scrie răspunsul tău aici
[tex]x^2+4x+3=x^2+x+3x+3=x(x+1)+3(x+1)=(x+1)(x+3)[/tex]