![\"\"](\"../../../userfiles/image/steps_images/step1.JPG\")
The polynomial function ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d44b0b6e1079b5702056a60bf3c2903a.png\")
.
The polynomial function ![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=d44b0b6e1079b5702056a60bf3c2903a.png\")
graph is
![\"graph](\"/userfiles/image/Library/Trigonometry/graph_the_function_g(x)=x%5E3-4x%5E2-2x+8_1.gif\")
From the graph zeros are ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6f85705b5a6613385ce40b6e670a8f58.png\")
.![\"\"](\"../../../userfiles/image/steps_images/solution.JPG\")
The polynomial function graph is
From the graph zeros are ![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=6f85705b5a6613385ce40b6e670a8f58.png\")
.
The polynomial function .
The polynomial function graph is
From the graph the exact zero is 4.
The polynomial function graph is
From the graph the exact zero is 4.