# Find the possible values of k?

k^2-4k-12>0

i know that the answers are 6 and -2. but what i don't get is whether k is greater than or less than 6 or -2 :-S... and how do u knoww whether its greater than or less than?

i know that the answers are 6 and -2. but what i don't get is whether k is greater than or less than 6 or -2 :-S... and how do u knoww whether its greater than or less than?

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