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Mathematics 8 Online
OpenStudy (anonymous):

y² = x³ - 432 Find all ordered pairs (x,y) so that x and y are integers.

myininaya (myininaya):

So we know x^3 has to be bigger than 432 not including 432 because 432 is not a perfect cube.

myininaya (myininaya):

We need to think of perfect cubes bigger than 432. Do you have any faster ways for coming up with just integer pairs

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