document.write( "Question 962878: Factor the expression on the left side of the equation. Then solve the equation.\r
\n" ); document.write( "\n" ); document.write( "x^6 + 128x^3 + 4096 = 0 \n" ); document.write( "

Algebra.Com's Answer #588304 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let u=x^3.\r
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\n" ); document.write( "\n" ); document.write( " $\"u%5E2%2B128u%2B4096=0\"$
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\n" ); document.write( " $\"discriminant=%28128%5E2-4%2A4096%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28u%2B64%29%5E2=0\"$
\n" ); document.write( " $\"x%5E3%2B64=0\"$
\n" ); document.write( " $\"x=-4\"$ \r
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\n" ); document.write( "\n" ); document.write( "4*4*4=16*4=64 \n" ); document.write( "

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