El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\frac{2 \left(x - 1\right)^{3}}{\left(x^{2} - 2 x\right) + 7} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 1$$
Solución numérica$$x_{1} = 0.999958073429706$$
$$x_{2} = 0.999922519936164$$
$$x_{3} = 0.999941773052577$$
$$x_{4} = 1.00008656709085$$
$$x_{5} = 0.999934528041809$$
$$x_{6} = 1.00006521869026$$
$$x_{7} = 0.999905255028942$$
$$x_{8} = 0.999844108465865$$
$$x_{9} = 1.00005498879492$$
$$x_{10} = 0.999871339667214$$
$$x_{11} = 1.00008317870442$$
$$x_{12} = 1.0000475155081$$
$$x_{13} = 1.00006951822256$$
$$x_{14} = 1.00005802604594$$
$$x_{15} = 1.00005358543331$$
$$x_{16} = 0.999940114847955$$
$$x_{17} = 1.00005967278096$$
$$x_{18} = 1.00005225138908$$
$$x_{19} = 1.00004861766842$$
$$x_{20} = 1.00006326020075$$
$$x_{21} = 1.00004977181512$$
$$x_{22} = 0.999916412032298$$
$$x_{23} = 0.999912990275615$$
$$x_{24} = 0.999863317969597$$
$$x_{25} = 0.999953408928348$$
$$x_{26} = 0.999919579654418$$
$$x_{27} = 1.00007188462148$$
$$x_{28} = 1.00015454628981$$
$$x_{29} = 1.00011428064621$$
$$x_{30} = 0.999944830643401$$
$$x_{31} = 1.00010853243673$$
$$x_{32} = 1.00004545378104$$
$$x_{33} = 0.999958896964561$$
$$x_{34} = 1.00009856644681$$
$$x_{35} = 0.999951240979656$$
$$x_{36} = 1.00006730073046$$
$$x_{37} = 1.00004267457882$$
$$x_{38} = 0.999854300550059$$
$$x_{39} = 0.99993242975061$$
$$x_{40} = 0.99995234944525$$
$$x_{41} = 0.999946243044727$$
$$x_{42} = 0.999936501371922$$
$$x_{43} = 1.00006141469928$$
$$x_{44} = 0.999948862960193$$
$$x_{45} = 0.999925256101931$$
$$x_{46} = 0.999938360460386$$
$$x_{47} = 0.999878512974463$$
$$x_{48} = 1.00009422247884$$
$$x_{49} = 0.99993019441545$$
$$x_{50} = 1.00004182183691$$
$$x_{51} = 1.00012064371791$$
$$x_{52} = 0.999884959441192$$
$$x_{53} = 1.00007712732205$$
$$x_{54} = 1.00004448822834$$
$$x_{55} = 0.999927808370084$$
$$x_{56} = 1.00014451205425$$
$$x_{57} = 0.999947585471491$$
$$x_{58} = 1.00009023652439$$
$$x_{59} = 1.00005098168744$$
$$x_{60} = 1.00008004088585$$
$$x_{61} = 1.00012771999605$$
$$x_{62} = 0.999943342701458$$
$$x_{63} = 0.999955393314557$$
$$x_{64} = 0.999900863044698$$
$$x_{65} = 1.00004646192007$$
$$x_{66} = 0.999950080078814$$
$$x_{67} = 0.999909283329691$$
$$x_{68} = 0.999847193407133$$
$$x_{69} = 1.00005646697011$$
$$x_{70} = 1.00007441519292$$
$$x_{71} = 1.00004356263348$$
$$x_{72} = 0.999896057577483$$
$$x_{73} = 0.999954422586877$$
$$x_{74} = 0.999890779725251$$
$$x_{75} = 0.999956323767811$$
$$x_{76} = 1.00010331721212$$
$$x_{77} = 0.99995721638947$$
$$x_{78} = 1.00013562817156$$