document.write( "Question 328430: Subtract and simplify if possible\r
\n" ); document.write( "\n" ); document.write( "d/s+d - d/s-d\r
\n" ); document.write( "\n" ); document.write( "Would the answer be 0? \r
\n" ); document.write( "\n" ); document.write( "Can you please show me how to d this step by step?\r
\n" ); document.write( "\n" ); document.write( "Thank you
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Algebra.Com's Answer #235262 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Subtract and simplify if possible
\n" ); document.write( "\"d%2F%28s%2Bd%29+-+d%2F%28s-d%29\"
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\n" ); document.write( "The common denominator; (s+d)(s-d), therefore we have
\n" ); document.write( "\"%28d%28s-d%29+-+d%28s%2Bd%29%29%2F%28%28s%2Bd%29%28s-d%29%29\"
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\n" ); document.write( "Multiply what's inside the brackets
\n" ); document.write( "\"%28ds+-+d%5E2+-+ds+-+d%5E2%29%2F%28%28s%2Bd%29%28s-d%29%29\"
\n" ); document.write( ":
\n" ); document.write( "Combining like terms we have
\n" ); document.write( "\"%28-2d%5E2%29%2F%28%28s%2Bd%29%28s-d%29%29\"
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\n" ); document.write( "FOIL the denominator (the difference of squares)
\n" ); document.write( "\"%28-2d%5E2%29%2F%28s%5E2+-+d%5E2%29\"
\n" ); document.write( "Or
\n" ); document.write( "\"-%282d%5E2%29%2F%28s%5E2+-+d%5E2%29\"
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