# Difference between revisions of "2005 Alabama ARML TST Problems/Problem 8"

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==Problem== | ==Problem== | ||

− | + | Find the number of ordered pairs of integers <math>(x,y)</math> which satisfy <center><math>x^2+4xy+y^2=21</math>.</center> | |

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==Solution== | ==Solution== | ||

{{solution}} | {{solution}} | ||

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==See Also== | ==See Also== |

## Revision as of 11:42, 10 December 2007

## Problem

Find the number of ordered pairs of integers which satisfy

## Solution

*This problem needs a solution. If you have a solution for it, please help us out by adding it.*