<human>:  How do I add two trend lines in excel?
<bot>: Add Two Trend Lines in Excel
1. Open your project in Excel.
2. Click to select a chart.
3. Click + and Add Trendline.
4. Click a type of trendline that you want.
5. Select the data to apply this trendline to then click OK.
6. Click + and Add Trendline.
7. Click a type of trendline that you want.
8. Select the data to apply this trendline to then click OK.