Question

упростить дробь х-1/х^2-3х+2

Answer 1

$frac{x-1}{x^2-3x+2}=frac{x-1}{(x-1)(x-2)}=frac{1}{x-2}$

Answer 2

x-1/x^2-3x+2=x-1/(x-1)(x-2)=1/x-2