document.write( "Question 889319: Subtract 2/9t^8-1/6t^7 \n" ); document.write( "
Algebra.Com's Answer #538070 by Alan3354(69443)\"\" \"About 
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Subtract 2/9t^8-1/6t^7
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\n" ); document.write( "Find a common denominator.
\n" ); document.write( "The product always works: 9t^8*6t^7 = 54t^15
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\n" ); document.write( "\"2%2F9t%5E8+-+1%2F6t%5E7\" = 6t^7/DEN - 9t^8/DEN
\n" ); document.write( "= (12t^7 - 9t^8)/54t^15
\n" ); document.write( "= 3t^7*(4 - 3t)/54t^15
\n" ); document.write( "= \"%284+-+3t%29%2F18t%5E8\"
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