El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\left(x^{2} - x\right) e^{x} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
$$x_{2} = 1$$
Solución numérica$$x_{1} = -111.300121308339$$
$$x_{2} = -95.3837003021592$$
$$x_{3} = -71.5961008938983$$
$$x_{4} = -67.6500464899076$$
$$x_{5} = 0$$
$$x_{6} = -85.4548825357727$$
$$x_{7} = -113.291558872075$$
$$x_{8} = -109.309041253055$$
$$x_{9} = -75.5491881156761$$
$$x_{10} = -59.7865542399166$$
$$x_{11} = -42.3914836119009$$
$$x_{12} = -79.5080107464477$$
$$x_{13} = -48.1155320563989$$
$$x_{14} = -83.4715733483481$$
$$x_{15} = -61.7480858408277$$
$$x_{16} = -69.6220986676911$$
$$x_{17} = -36.8332858955167$$
$$x_{18} = -35.0481976660927$$
$$x_{19} = -55.8747373925463$$
$$x_{20} = -63.7127493082472$$
$$x_{21} = -50.0449269518681$$
$$x_{22} = -99.3598809506193$$
$$x_{23} = -101.348785977816$$
$$x_{24} = -38.6588105659299$$
$$x_{25} = -46.1953873041686$$
$$x_{26} = -93.3965067038405$$
$$x_{27} = -105.328047350538$$
$$x_{28} = -87.4390990971913$$
$$x_{29} = -121.26048557894$$
$$x_{30} = 1.00000000000032$$
$$x_{31} = -73.5718547803295$$
$$x_{32} = -107.31834162524$$
$$x_{33} = -119.267813516739$$
$$x_{34} = -81.4892524562269$$
$$x_{35} = -103.338185586309$$
$$x_{36} = -40.5139335670481$$
$$x_{37} = -115.283332833526$$
$$x_{38} = -97.3715060453445$$
$$x_{39} = -91.4099726881485$$
$$x_{40} = -44.2864913755559$$
$$x_{41} = -65.6801741392534$$
$$x_{42} = -117.275423715019$$
$$x_{43} = 1$$
$$x_{44} = -89.4241507425458$$
$$x_{45} = -53.9256206828219$$
$$x_{46} = -77.5279506631343$$
$$x_{47} = -51.9820277550494$$
$$x_{48} = -57.8285952189519$$