document.write( "Question 195716: Simplify square roots: i.e. Simplify the square root of 36x^4y^5 or square root of 121x^5 divided by 9 \n" ); document.write( "
Algebra.Com's Answer #146756 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
# 1\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%2836%2Ax%5E4%2Ay%5E5%29\" Start with the given expression.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%2836%2Ax%5E2%2Ax%5E2%2Ay%5E5%29\" Factor \"x%5E4\" into \"x%5E2%2Ax%5E2\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%2836%2Ax%5E2%2Ax%5E2%2Ay%5E2%2Ay%5E2%2Ay%29\" Factor \"y%5E5\" into \"y%5E2%2Ay%5E2%2Ay\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " Break up the square root using the identity \"sqrt%28A%2AB%29=sqrt%28A%29%2Asqrt%28B%29\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6%2Asqrt%28x%5E2%29%2Asqrt%28x%5E2%29%2Asqrt%28y%5E2%29%2Asqrt%28y%5E2%29%2Asqrt%28y%29\" Take the square root of \"36\" to get \"6\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6%2Ax%2Ax%2Asqrt%28y%5E2%29%2Asqrt%28y%5E2%29%2Asqrt%28y%29\" Take the square root of \"x%5E2\" to get \"x\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6%2Ax%2Ax%2Ay%2Ay%2Asqrt%28y%29\" Take the square root of \"y%5E2\" to get \"y\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6x%5E2y%5E2%2Asqrt%28y%29\" Multiply.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "==================================================\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So \"sqrt%2836%2Ax%5E4%2Ay%5E5%29\" simplifies to \"6x%5E2y%5E2%2Asqrt%28y%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "In other words, \"sqrt%2836%2Ax%5E4%2Ay%5E5%29=6x%5E2y%5E2%2Asqrt%28y%29\" where every variable is non-negative.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "# 2\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%28%28121x%5E5%29%2F9%29\" Start with the given expression.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28sqrt%28121x%5E5%29%29%2Fsqrt%289%29\" Break up the root.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28sqrt%28121x%5E5%29%29%2F3\" Take the square root of 9 to get 3.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"sqrt%28121%2Ax%5E2%2Ax%5E2%2Ax%29%2F3\" Factor \"x%5E5\" into \"x%5E2%2Ax%5E2%2Ax\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28sqrt%28121%29%2Asqrt%28x%5E2%29%2Asqrt%28x%5E2%29%2Asqrt%28x%29%29%2F3\" Break up the square root using the identity \"sqrt%28A%2AB%29=sqrt%28A%29%2Asqrt%28B%29\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%2811%2Asqrt%28x%5E2%29%2Asqrt%28x%5E2%29%2Asqrt%28x%29%29%2F3\" Take the square root of \"121\" to get \"11\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%2811%2Ax%2Ax%2Asqrt%28x%29%29%2F3\" Take the square root of \"x%5E2\" to get \"x\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%2811%2F3%29x%5E2%2Asqrt%28x%29\" Rearrange and multiply the terms.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "==================================================\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So \"sqrt%28%28121x%5E5%29%2F9%29\" simplifies to \"%2811%2F3%29x%5E2%2Asqrt%28x%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "In other words, \"sqrt%28%28121x%5E5%29%2F9%29=%2811%2F3%29x%5E2%2Asqrt%28x%29\" where \"x%3E=0\"
\n" ); document.write( "
\n" );