document.write( "Question 66153: for the equation \"3x%5E3%2Bax%5E2-9x%2B6=0\", the sum of the roots is twice the product of the roots. Find a. \n" ); document.write( "
Algebra.Com's Answer #46898 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
3x^3+ax^2-9x+6=0
\n" ); document.write( "x^3+(a/3)x^2-3x+2=0
\n" ); document.write( "Sum of roots = -a/3
\n" ); document.write( "Product of roots = 2
\n" ); document.write( "Eqution:
\n" ); document.write( "Sum = 2*Product
\n" ); document.write( "-a/3=2*2
\n" ); document.write( "a=-12
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );