# How do you find the roots of #x^3-5x^2-x+5=0#?

##### 1 Answer

#### Answer:

Use factoring by grouping to get

#### Explanation:

Use a method called "factoring by grouping", which only works when the polynomial has four terms.

*Factor out an* *from the first two* *terms.*

*Factor out a* *from the 2nd two* *terms.*

*Regroup*

*Factor the* *term using the* *difference of squares formula*

Set each factor equal to zero and solve.