# How do you find all zeros with multiplicities of #f(x)=6x^4-5x^3-9x^2#?

##### 1 Answer

Dec 20, 2017

#### Explanation:

First we can factor out an

From this, it's quite clear that

To find the remaining solutions, we can use the quadratic formula to solve:

These solutions only occur once, so they both have a multiplicity of