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