A hint to get started
Split the area at both roots
Find the area of the region bounded by , the -axis and the lines and .
CJC · Lecture · Example 7
The source general approach is: sketch the graph, identify the required regions, formulate the integrals and evaluate. The Teacher shades all three pieces and supplies the calculator check 4.
The explicit roots, vertex and exact intermediate contributions here are independently authored explanations of the source sketch and final answer.