Posted by Confused on Friday, December 5, 2008 at 11:32pm.
What is The solution set of 2k^2=21k49 ?

math  Reiny, Friday, December 5, 2008 at 11:40pm
this an be arranged to the quadratic
2k^2  21k + 49 = 0
(2k7)(k7) = 0
k = 7/2 or k7

math  Brenden, Saturday, December 6, 2008 at 12:06am
oh it makes sense now thanks!

math  Kyle Thompson, Tuesday, December 4, 2012 at 7:42pm
what is Expand:4(2m  7x + 9)
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