ok, I'm pretty sure this is ridiculously simple, but I am stumped by this question..(adsbygoogle = window.adsbygoogle || []).push({});

What value ofkwould make 25x^2 - 60xy +ky^2 a perfect square trinomial?

I just don't know where to begin in order to findk. :uhh:

Any help would be much appreciated!

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# Homework Help: A perfect square trinomial stumped.

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