document.write( "Question 492362: (x^4)-(3x^2)+2=0 \n" ); document.write( "
Algebra.Com's Answer #336449 by lwsshak3(11628)\"\" \"About 
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(x^4)-(3x^2)+2=0
\n" ); document.write( "**
\n" ); document.write( "x^4-3x^2+2=0
\n" ); document.write( "(x^2-2)(x^2-1)=0
\n" ); document.write( "(x^2-2)(x+1)(x-1)=0
\n" ); document.write( "x^2-2=0
\n" ); document.write( "x^2=2
\n" ); document.write( "x=±√2
\n" ); document.write( "..
\n" ); document.write( "x+1=0
\n" ); document.write( "x=-1
\n" ); document.write( "..
\n" ); document.write( "x-1=0
\n" ); document.write( "x=1
\n" ); document.write( "..
\n" ); document.write( "solutions:
\n" ); document.write( "x=1, -1, √2, -√2 \n" ); document.write( "
\n" );