document.write( "Question 712289: i need help to solve this :
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\n" ); document.write( "\n" ); document.write( "square root of 15 x (1- (square root of 45)
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Algebra.Com's Answer #437855 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt%2815%29%2A%281-+sqrt%2845%29%29\"...write \"sqrt%2815%29\" as \"sqrt%283%29sqrt%285%29\" and \"sqrt%2845%29\" as \"sqrt%289%29sqrt%285%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283%29sqrt%285%29%2A%281-+sqrt%289%29%2Asqrt%285%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283%29sqrt%285%29%2A%281-+3%2Asqrt%285%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283%29sqrt%285%29-+3%2Asqrt%285%29sqrt%283%29sqrt%285%29\"......since \"sqrt%285%29%2Asqrt%285%29=%28sqrt%285%29%29%5E2=5\", we have\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283%29sqrt%285%29-+3%2A5sqrt%283%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283%29sqrt%285%29-+15sqrt%283%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283%29%28sqrt%285%29-+15%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"1.73%282.236-+15%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"1.73%28-12.763932%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-22.1\"\r
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