Answer:
![x-2](https://img.qammunity.org/2020/formulas/mathematics/high-school/onh2hennkbk83jqzusmxaunesr7w948hh8.png)
Explanation:
The quadratic equation given in the problem above can be solve by factoring it.
You must find two numbers whose sum is -9 and whose product is 14. These number would be: -2 and -7
Therefore, keeping this on mind you have:
![(x-2)(x-7)=0](https://img.qammunity.org/2020/formulas/mathematics/middle-school/dr8fnjoywpat2kyurbvktt9hxg8931ja0b.png)
Therefore, a factor of the given quadratic equation is
![x-2](https://img.qammunity.org/2020/formulas/mathematics/high-school/onh2hennkbk83jqzusmxaunesr7w948hh8.png)