document.write( "Question 761259: Combine: \r
\n" ); document.write( "\n" ); document.write( "7 sqrt 245 + 8 sqrt 80 - 3 sqrt 180.\r
\n" ); document.write( "\n" ); document.write( "I am coming up with 63 sqrt 5. Is this correct? Please include steps if it is not. Thank you.
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Algebra.Com's Answer #463122 by ramkikk66(644)\"\" \"About 
You can put this solution on YOUR website!
7 sqrt 245 + 8 sqrt 80 - 3 sqrt 180.\r
\n" ); document.write( "\n" ); document.write( "The expression is:\r
\n" ); document.write( "\n" ); document.write( "\"7%2Asqrt%28245%29+%2B+8%2Asqrt%2880%29+-+3%2Asqrt%28180%29\"\r
\n" ); document.write( "\n" ); document.write( "= \r
\n" ); document.write( "\n" ); document.write( "\"7%2Asqrt%2849%2A5%29+%2B+8%2Asqrt%2816%2A5%29+-+3%2Asqrt%2836%2A5%29\"\r
\n" ); document.write( "\n" ); document.write( "=\r
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "\n" ); document.write( "=\r
\n" ); document.write( "\n" ); document.write( "\"7%2A7%2Asqrt%285%29+%2B+8%2A4%2Asqrt%285%29+-+3%2A6%2Asqrt%285%29\"\r
\n" ); document.write( "\n" ); document.write( "=\r
\n" ); document.write( "\n" ); document.write( "\"49%2Asqrt%285%29+%2B+32%2Asqrt%285%29+-+18%2Asqrt%285%29\"\r
\n" ); document.write( "\n" ); document.write( "=\r
\n" ); document.write( "\n" ); document.write( "\"63%2Asqrt%285%29\"\r
\n" ); document.write( "\n" ); document.write( "You are right:)
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