document.write( "Question 989399: Solve the equation and find extraneous solutions.\r
\n" ); document.write( "\n" ); document.write( "(x+5)^(2/3)=4 \n" ); document.write( "
Algebra.Com's Answer #609747 by MathTherapy(10556)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Solve the equation and find extraneous solutions.\r
\n" ); document.write( "\n" ); document.write( "(x+5)^(2/3)=4
\n" ); document.write( "
\"highlight%28highlight%28%28x+%2B+5%29%5E%282%2F3%29+=+4%29%29\"
\n" );
document.write( " -------- Raising each side to the \"3%2F2\" power
\n" );
document.write( "
\n" );
document.write( "\"x+%2B+5+=%22+%22+%2B-+%28sqrt%284%29%29%5E3\"
\n" );
document.write( "\"x+%2B+5+=+%22+%22%2B-+2%5E3\"
\n" );
document.write( "\"x+%2B+5+=+%22+%22+%2B-+8\"
\n" );
document.write( "x = 8 - 5, or \"highlight_green%28x+=+3%29\"	      OR	   x = - 8 - 5, or - 13 (ignore, as this is an extraneous solution) \n" );
document.write( "
\n" );