document.write( "Question 933487: Find all values of c such that the equation
\n" ); document.write( "52 x2 + 6 x + c = 0
\n" ); document.write( "has exactly one solution. If there is more than one \"c\", enter them in a comma separated list. \n" ); document.write( "

Algebra.Com's Answer #566825 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
If the left member were a perfect square trinomial, then the discriminant would be equal to 0. That discriminant for your example would be $\"6%5E2-4%2A52%2Ac=0\"$ ; and you can solve for c. \n" ); document.write( "

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