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X la a doua+7x+6 supra x la a doua+2x+1 repede va rog

Răspuns :

[tex] \frac{ x^{2}+7x+6}{ x^{2} +2x+1}= \frac{ x^{2} +x+6x+6}{ (x+1)^{2} }= \frac{(x+1)(x+6)}{( x+1)^{2} } = \frac{x+6}{x+1} [/tex]