SOLUTION: Find the value of k so that the equation will have exactly on rational solution. {{{36x^2+kx+49=0}}}

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Question 47285:
Find the value of k so that the equation will have exactly on rational solution.
36x%5E2%2Bkx%2B49=0
Found 2 solutions by checkley71, rah279852:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
36x~2+kx+49=0 or (6x-7)(6x-7)=0 thus k=(6*-7)+(6*-7)=-42-42=-84

Answer by rah279852(1) About Me  (Show Source):
You can put this solution on YOUR website!
-36x2-49
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x