When you have to factor by grouping there are some very important steps you need to take first to make sure that you ...

To factor a trinomial in the form of ax squared plus bx plus c we are going to use the "ac" method. Notice that the “a” and the “c” are multiplied together and that's exactly what we are going to do.

In order to factor by grouping with a negative sign in the middle, meaning this symbol right here, we still have to group the first two terms and the last two terms together. The most important thing ...