document.write( "Question 104980: Please help...\r
\n" ); document.write( "\n" ); document.write( "sqrt63 - 2sqrt28 + 5sqrt7\r
\n" ); document.write( "\n" ); document.write( "These are so confusing for me.
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Algebra.Com's Answer #76415 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
sqrt63=sqrt9*7=3sqrt7
\n" ); document.write( "2sqrt28=2sqrt4*7=2*2sqrt7=4sqrt7
\n" ); document.write( "3sqrt7-4sqrt7+5sqrt7=4sqrt7 answer.
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