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Simplificati raportul algebric:
a) x la a 2 + 2x/x la a 2 -4
b) x la a 2 -36/x la a 2 +12x +36
Va rog repejor!!!!

Răspuns :

Simonarusu
a)[tex] \frac{ x^{2} +2x}{ x^{2} -4}= \frac{x(x+2)}{(x-2)(x+2)} = \frac{x}{x-2} [/tex]
b)[tex] \frac{ x^{2} -36}{ x^{2} +12x+36}= \frac{(x-6)(x+6)}{(x+6) ^{2} }= \frac{x-6}{x+6} [/tex]

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