(two *x - two)/(two *x - one) - two *(x^ two - two *x + one)/(two *x - one)^ two = zero
(2 multiply by x minus 2) divide by (2 multiply by x minus 1) minus 2 multiply by (x squared minus 2 multiply by x plus 1) divide by (2 multiply by x minus 1) squared equally 0
(two multiply by x minus two) divide by (two multiply by x minus one) minus two multiply by (x to the power of two minus two multiply by x plus one) divide by (two multiply by x minus one) to the power of two equally zero