document.write( "Question 323450: 15x^4-28x^2+5=0 \n" ); document.write( "
Algebra.Com's Answer #231477 by checkley77(12844)\"\" \"About 
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15x^4-28x^2+5=0
\n" ); document.write( "(5X^2-1)(3X^2-5)=0
\n" ); document.write( "5X^2-1=0
\n" ); document.write( "5X^2=1
\n" ); document.write( "X^2=1/5
\n" ); document.write( "X=SQRT1/5
\n" ); document.write( "X=.4472 ANS.
\n" ); document.write( "3X^2-5=0
\n" ); document.write( "3X^2=5
\n" ); document.write( "X^2=5/3
\n" ); document.write( "X=SQRT5/3
\n" ); document.write( "X=1.29 ANS.
\n" ); document.write( " \n" ); document.write( "
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