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But the point of this site is seemingly "understanding", not an algorithm - see the title of the page ("right, not rote"). However, what they really seem to be
by alanctgardner 14y ago
But the point of this site is seemingly "understanding", not an algorithm - see the title of the page ("right, not rote"). However, what they really seem to be doing is breaking down what should be an intuitive process - understanding equalities and how to work with them - into several smaller, vague sub-processes which also aren't really easy to understand. I would argue that explanations like this might hurt someone's chances of understanding concepts like systems of equations later on.
- pavel_lishin 14y agoI thought it was meant to give us an intuitive explanation for why we approach things via the "factoring algorithm" as a method of solving these guys. In any case, it's just a simple example case. x^2 + x = 6 can probably be solved just by staring at it for a little bit, but once the equation gets more complex, trying out a couple of numbers in the [-5,5] range is not gonna work anymore.