# Factoring polynomials by grouping

### Factoring polynomials by grouping

There are a number of ways to factor polynomials, and one of them is by grouping. When using this grouping method, we will need to look for any common factors and then rewrite them as grouped factors.

#### Lessons

• 1.
Factoring by grouping
a)
${x^2-5x-xy+5y}$

b)
${3y^3+x^2y-3x-xy^4}$