Question

x³﹣2x²＋x分之10－x－1分之x＋1＋1

Answer 1

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

=10/x(x-1)^2-2/(x-1)

=(10-2(x-1)x)/x(x-1)^2

=(10-2x^2+2x)/x(x-1)^2