Question

Упростите выражение .
1/х2 + х-2/х

Answer 1

$\frac{1}{x^2} + \frac{x-2}{x}= \frac{1+x(x-2)}{x^2}= \frac{x^2-2x+1}{x^2}= \frac{(x-1)^2}{x^2}$