Question 107453
((x^2–3x+2)/(7x–14))/((x^2–1)/(7x+7))
((x^2–3x+2)/(7x–14))*((7x+7)/(x^2-1))
((x-2)(x-1)/7(x–2))*(7(x+1)/(x+1)(x-1))=1
Everything cancels.
Ed