# How do you factor by grouping #x^3-12-3x^2+4x#?

##### 2 Answers

Apr 9, 2015

Have a look:

Collect between the 1st and 3rd term and between 2nd and 4th:

Apr 9, 2015

can be re-grouped as

which can then be factored as

then combining the common factor from each term