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stupidinmath
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Find all integers k so that the trinomial 2m^2+km+5 can be factored
 2 years ago
 2 years ago
stupidinmath Group Title
Find all integers k so that the trinomial 2m^2+km+5 can be factored
 2 years ago
 2 years ago

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mukushla Group TitleBest ResponseYou've already chosen the best response.1
Discriminant of quadratic (in terms of m) must be a perfect square\[k^240=n^2\]
 2 years ago

mukushla Group TitleBest ResponseYou've already chosen the best response.1
\[(kn)(k+n)=40\]
 2 years ago

heedcom Group TitleBest ResponseYou've already chosen the best response.0
7 and 11 seem to work, they are the only 2
 2 years ago
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