Frequent Questions about our Solver

The problem

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Where do you get positive 2 from when solving r^3+216t^3

Answer provided by our tutors

I see an inquiry with "r^3+216t^3" but a link to "x^3 + 3x^2 - 2x - 6".  Your inquiry about 'positive 2' sounds more appropriate for the expression through the link, as described in these annotated images:

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