document.write( "Question 33899: Can you help me solve (((3x^4-28x^2+9=0))) \n" ); document.write( "
Algebra.Com's Answer #20340 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
(3x^2-1)(x^2-9)=0
\n" ); document.write( "3x^2-1=0 or x^2-9=0
\n" ); document.write( "x^2=(1/3) or x=3 or x=-3
\n" ); document.write( "x=sqrt3/3 or x=-sqrt3/3 or x=3 or x=-3
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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