Question

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

Answer 1

(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