El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{x} \left(3 x - 2\right) = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = \frac{2}{3}$$
Solución numérica$$x_{1} = -99.1129702373688$$
$$x_{2} = -89.1443206737185$$
$$x_{3} = -115.075521502585$$
$$x_{4} = -93.1308460704414$$
$$x_{5} = -85.1592829693701$$
$$x_{6} = -109.088112065455$$
$$x_{7} = -55.3620231908952$$
$$x_{8} = -69.2403883171591$$
$$x_{9} = -79.1851071365103$$
$$x_{10} = -105.097411341968$$
$$x_{11} = -95.1245987222972$$
$$x_{12} = -121.064320449409$$
$$x_{13} = -63.2841519899326$$
$$x_{14} = -117.071645250855$$
$$x_{15} = -83.1674016224932$$
$$x_{16} = -81.1759952740524$$
$$x_{17} = -43.5582322955384$$
$$x_{18} = -101.107549832626$$
$$x_{19} = -57.3398835157501$$
$$x_{20} = -111.083745139886$$
$$x_{21} = -37.7337304809536$$
$$x_{22} = -113.079551672306$$
$$x_{23} = -97.1186469679149$$
$$x_{24} = -59.3196829709084$$
$$x_{25} = -67.25389556895$$
$$x_{26} = -49.4434089675347$$
$$x_{27} = -91.1374116955046$$
$$x_{28} = 0.666666666666667$$
$$x_{29} = 0.666666666666667$$
$$x_{30} = -39.6656471145088$$
$$x_{31} = -61.3011745681735$$
$$x_{32} = -53.3864003698496$$
$$x_{33} = -65.2684414714834$$
$$x_{34} = -103.102368718653$$
$$x_{35} = -32.0414939061154$$
$$x_{36} = -47.4770515744307$$
$$x_{37} = -35.8153769830079$$
$$x_{38} = -45.5150196040209$$
$$x_{39} = -41.6078988464092$$
$$x_{40} = -33.9154157658719$$
$$x_{41} = -77.1947858639725$$
$$x_{42} = -51.4133791639507$$
$$x_{43} = -107.092663472522$$
$$x_{44} = -71.227811426291$$
$$x_{45} = -87.1516008001375$$
$$x_{46} = -75.2050864428328$$
$$x_{47} = -73.2160712646037$$
$$x_{48} = -119.067914243843$$