document.write( "Question 620260: Pllease help me solve this equation..express in simplest radical form 16 sqrt (21)/2sqrt (7) minus 5sqrt (12)\r
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Algebra.Com's Answer #390049 by Alan3354(69443)\"\" \"About 
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Pllease help me solve this equation..express in simplest radical form 16 sqrt (21)/2sqrt (7) minus 5sqrt (12)
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\n" ); document.write( "express in simplest radical form 16 sqrt (21)/2sqrt (7) minus 5sqrt (12)
\n" ); document.write( "\"16sqrt%2821%29%2F%282sqrt%287%29+-+5sqrt%2812%29%29\"
\n" ); document.write( "= \"16sqrt%2821%29%2F%282sqrt%287%29+-+10sqrt%283%29%29\"
\n" ); document.write( "= \"8sqrt%2821%29%2F%28sqrt%287%29+-+5sqrt%283%29%29\"
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\n" ); document.write( "Multiply NUM and DEN by the conjugate of the DEN
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\n" ); document.write( "= \"%288sqrt%28147%29+%2B+40sqrt%2821%29%29%2F%287+-+25%2A3%29\"
\n" ); document.write( "= \"%2856sqrt%283%29+%2B+40sqrt%2821%29%29%2F%28-68%29\"
\n" ); document.write( "= \"-%2814sqrt%283%29+%2B+10sqrt%2821%29%29%2F17\"\r
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