Posted by **Confused** on Friday, December 5, 2008 at 11:32pm.

What is The solution set of 2k^2=21k-49 ?

- math -
**Reiny**, Friday, December 5, 2008 at 11:40pm
this an be arranged to the quadratic

2k^2 - 21k + 49 = 0

(2k-7)(k-7) = 0

k = 7/2 or k-7

- 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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