How do you factor #y=x^3 - 3x^2 + 4x -12 #?
You can use the grouping method to factor
We can look at this equation in two parts, indicated by the parentheses:
There, we just grouped the terms! (:
Now, do you notice anything about the groups?
You'll find that we can factor out an
Hey look at that--what do you notice about our "leftover" terms? They're both
And there you have it--factored form!
As a side note, if you wanted to solve this equation, all you would need to do from here is set the equation equal to zero ("plug in" 0 for