document.write( "Question 184449: Solve using the square root property:\r
\n" ); document.write( "\n" ); document.write( "(x+8)^2=81
\n" ); document.write( "

Algebra.Com's Answer #138444 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B8%29%5E2=81\" Start with the given equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%2B8=0%2B-sqrt%2881%29\" Take the square root of both sides.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%2B8=sqrt%2881%29\" or \"x%2B8=-sqrt%2881%29\" Break up the \"plus/minus\" to form two equations.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%2B8=9\" or \"x%2B8=-9\" Take the square root of \"81\" to get \"9\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=-8%2B9\" or \"x=-8-9\" Subtract \"8\" from both sides.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=1\" or \"x=-17\" Combine like terms.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "--------------------------------------\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=1\" or \"x=-17\".
\n" ); document.write( "
\n" );