Anyone know of a good way to find the answer to det[x+5 4 4],[-4 x-3 -4], [-4 -4 x-3] = 0
Stacey Warren - Expert brainly.com
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Read this, be happy: http://en.wikipedia.org/wiki/Rule_of_Sarrus
It involves a bit of algebra and keeping track of your terms, but it's a quick and easy way to compute the determinant without a whole lot of hassle.
ok thanks, I kind of knew that rule, but I was wondering if there was something I was missing, something that would make it easier, but perhaps it's as easy as it will get, it's just the x's complicate things