# How do you factor by grouping #6a+12b+18c#?

##### 1 Answer

May 16, 2015

You cannot factor this expression by grouping because none of the variables is the same. You can factor out

A trinomial to be factored by grouping has the generic form of

Source:

http://www.jamesbrennan.org/algebra/polynomials/factoring_by_grouping_.htm