Algebra-2

Question Analysis
This question tests the student's ability to solve a cubic polynomial equation by graphing. The polynomial is given in standard form, and students need to identify the x-intercepts of the corresponding graph.

Key Concept Explanation
The roots of the polynomial equation are the x-intercepts of the graph of the function . For a cubic polynomial, there can be up to three real roots.

Step-by-step Solution
1. Graph the function

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