document.write( "Question 704393: Hi, my problem is to simplify the following:
\n" ); document.write( "sqrt(28)-sqrt(63)+5sqrt(7)
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Algebra.Com's Answer #434059 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
simplify the following:
\n" ); document.write( "sqrt(28)-sqrt(63)+5sqrt(7)
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\n" ); document.write( "Hint:
\n" ); document.write( "28 = 4*7
\n" ); document.write( "63 = 9*7
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