document.write( "Question 358033: x^2/3+7x^1/3+12=0 \n" ); document.write( "

Algebra.Com's Answer #255571 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Substitute, let $\"u=x%5E%281%2F3%29\"$
\n" ); document.write( " $\"u%5E2=x%5E%282%2F3%29\"$
\n" ); document.write( " $\"u%5E2%2B7u%2B12=0\"$
\n" ); document.write( " $\"%28u%2B4%29%28u%2B3%29=0\"$
\n" ); document.write( "Two solutions:
\n" ); document.write( " $\"u%2B4=0\"$
\n" ); document.write( " $\"u=-4\"$
\n" ); document.write( " $\"x%5E%281%2F3%29=-4\"$
\n" ); document.write( " $\"highlight%28x=-64%29\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"u%2B3=0\"$
\n" ); document.write( " $\"u=-3\"$
\n" ); document.write( " $\"x%5E%281%2F3%29=-3\"$
\n" ); document.write( " $\"highlight%28x=-27%29\"$ \n" ); document.write( "

\n" );