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a fost răspuns

Fie E(x)=[tex] \frac{ 25x^{2} -10+1 }{5x-1} : \frac{ 25x^{2} -1 }{10x+2} [/tex]
Rezolvati ecuatia E(x)=x+2

Răspuns :

Renatemambouko
(25x²-10x+1)/(5x-1) : (25x²-1)/(10x+2)=

=(5x-1)²/(5x-1) × 2(5x+1)/(5x-1)(5x+1)=2

E(x) = x+2
2=x+2
x=0