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