document.write( "Question 225967: solve x^4 + 6x^2 - 27 = 0 \n" ); document.write( "

Algebra.Com's Answer #168410 by edjones(8007) $\"\"$ $\"About$

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x^4 + 6x^2 - 27 = 0
\n" ); document.write( "(x^2+9)(x^2-3)=0
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\n" ); document.write( "x^2=-9
\n" ); document.write( "x=+-3sqrt(-1)
\n" ); document.write( "x=+-3i
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\n" ); document.write( "x^2=3
\n" ); document.write( "x=+-sqrt(3)
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\n" ); document.write( "Ed \n" ); document.write( "

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