Question

adding and subtracting rational expressions

8/(x^2-4x) + 2/x

Answer 1

8/(x^2-4x) + 2/x=8/((x-4)*x) + 2/x=8/((x-4)*x) +2(x-4)/[x(x-4)]=[8+2x-8]/[x(x-4)]=2x/(x*(x-4))=2/(x-4)