document.write( "Question 87231: write expression simplist form\r
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\n" ); document.write( "\n" ); document.write( "4x-28
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\n" ); document.write( "5x-35\r
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\n" ); document.write( "\n" ); document.write( "4r^2-25s^2
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\n" ); document.write( "2r^2+3rs-20s^2
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Algebra.Com's Answer #63208 by malakumar_kos@yahoo.com(315)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( " 2r^2+8rs-5rs-20s^2
\n" ); document.write( " 2r(r+4s)-5s(r+4s)
\n" ); document.write( " (r+4s).(2r-5s)
\n" ); document.write( " 4x-28/5x-35 = 4(x-7)/5(x-7) =4/5=0.8
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\n" ); document.write( " 4r^2-25s^2/2r^2+3rs-20s^2= (2r+5s).(2r-5s)/ (r+4s).(2r-5s)
\n" ); document.write( " (2r+5s)/(r+4s).
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