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Bogdangutaliuc
a fost răspuns

Simplificati raportul;
[tex]\frac{x^{2} -1}{5 x^{2} -4 x^{}-1 }[/tex]
[tex] \frac{ x^{2} +6 x^{}+5 }{ x^{2} +5 x^{} } [/tex]
[tex] \frac{ x^{2} -2 x^{}+1 }{ x^{2} -5 x^{}+4 } [/tex]

Răspuns :

Renatemambouko
(x²-1)/(5x²-4x-1)=(x+1)(x-1)/(x+0,2)(x-1)= (x+1)/(x+0,2)

(x²+6x+5)/(x²+5x)=(x+1)(x+5)/x(x+5)=(x+1)/x

(x²-2x+1)/(x²-5x+4)=(x-1)²/(x-4)(x-1)=(x-1)/(x-4)






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