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Simplificati raportul algebric pina la un raport ireductibil:

[tex] \frac{3x+9}{ x^{2} +6x+9} [/tex]


Răspuns :


3x+9/x^2+6x+9 => 3(x+3) / (x+3)^2 => 3 / x+3 . 
 [tex]\frac{3x+9}{x^2+6x+9}=\frac{3(x\not+3)}{(x+3)^{\not2}}=\frac{3}{x+3}\;\,\surd\surd[/tex]