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This question from an IB philosophy exam gives an opportunity to discuss Plato’s epistemology in books V–VII his Republic with a focus in one of its classical analogies: the divided line. Plato s...

4e^2 + 8e

First we look to see if there is a common factor in the equation. In this case there is a common factor of 3, therefore we can take 3 out as a factor. 3(x² +5x +6) = 0
The inside of the br...

In order to answer this question, the expression on the left side of the equation needs to be factorised. This can be done in three stages. 1) finding a factor by subbing in common integers (0, +/- 1, +/-...