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But how do we find such a factorization? The following are two methods which I recommend. Factoring by Grouping. This is by far the nicest method of the two, but it only

I will show you two fool-proof methods to factorise a cubic. This one is a great example: You need to start with a factor. Just try substituting some simple numbers like 1 or 2 or 3 or perhaps – 1