document.write( "Question 352227: Simplify by factoring. Assume that all expressions under radicals represent non negative numbers.\r
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\n" ); document.write( "\n" ); document.write( "SQRT(12a^2 b)
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Algebra.Com's Answer #251703 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"sqrt%2812%2Aa%5E2%2Ab%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%284%2A3%2Aa%5E2%2Ab%29\" Factor \"12\" into \"4%2A3\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%284%29%2Asqrt%283%29%2Asqrt%28a%5E2%29%2Asqrt%28b%29\" 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( "\"2%2Asqrt%283%29%2Asqrt%28a%5E2%29%2Asqrt%28b%29\" Take the square root of \"4\" to get \"2\".\r
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\n" ); document.write( "\n" ); document.write( "\"2%2Asqrt%283%29%2Aa%2Asqrt%28b%29\" Take the square root of \"a%5E2\" to get \"a\".\r
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\n" ); document.write( "\n" ); document.write( "\"2a%2Asqrt%283b%29\" Rearrange and multiply the terms.\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%2812%2Aa%5E2%2Ab%29\" simplifies to \"2a%2Asqrt%283b%29\"\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"sqrt%2812%2Aa%5E2%2Ab%29=2a%2Asqrt%283b%29\" where every variable is non-negative.
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