document.write( "Question 190506: Can you please answer this problem? square root of (128x^5y^3) \n" ); document.write( "
Algebra.Com's Answer #142992 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28128%2Ax%5E5%2Ay%5E3%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%2864%2A2%2Ax%5E5%2Ay%5E3%29\" Factor \"128\" into \"64%2A2\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%2864%2A2%2Ax%5E2%2Ax%5E2%2Ax%2Ay%5E3%29\" Factor \"x%5E5\" into \"x%5E2%2Ax%5E2%2Ax\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%2864%2A2%2Ax%5E2%2Ax%5E2%2Ax%2Ay%5E2%2Ay%29\" Factor \"y%5E3\" into \"y%5E2%2Ay\"\r
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\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
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\n" ); document.write( "\n" ); document.write( " Take the square root of \"64\" to get \"8\".\r
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\n" ); document.write( "\n" ); document.write( "\"8%2Asqrt%282%29%2Ax%2Ax%2Asqrt%28x%29%2Asqrt%28y%5E2%29%2Asqrt%28y%29\" Take the square root of \"x%5E2\" to get \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"8%2Asqrt%282%29%2Ax%2Ax%2Asqrt%28x%29%2Ay%2Asqrt%28y%29\" Take the square root of \"y%5E2\" to get \"y\".\r
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\n" ); document.write( "\n" ); document.write( "\"8x%5E2y%2Asqrt%282xy%29\" Rearrange and multiply.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So \"sqrt%28128%2Ax%5E5%2Ay%5E3%29\" simplifies to \"8x%5E2y%2Asqrt%282xy%29\"\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"sqrt%28128%2Ax%5E5%2Ay%5E3%29=8x%5E2y%2Asqrt%282xy%29\" where every variable is non-negative.
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