Question 664716
{{{27 - 11k^2 - 7(k^2 +14)}}}
...
{{{27 - 11k^2 - 7k^2 + 98}}}
...
{{{-11k^2 - 7k^2 + 27 + 98}}}
...
{{{-18k^2 + 125}}}
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