To factor a trinomial in the form of x squared plus bx plus c, we use the same exact method as the ac method. So, bear with me for a little while and then I’ll show you the shortcut. In order to use ...

If you notice that the first term is a perfect square, and the second term is a perfect square, and you have a negative here, we can say that it is "the difference of two squares." What we want to do ...