document.write( "Question 316300: How do I solve this problem.\r
\n" ); document.write( "\n" ); document.write( "Find f(-x)-f(x) for the given function.\r
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Algebra.Com's Answer #226240 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
First compute \"f%28-x%29\": \r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2-3x%2B7\" Start with the given function.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-x%29=%28-x%29%5E2-3%28-x%29%2B7\" Replace 'x' with -x\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-x%29=x%5E2-3%28-x%29%2B7\" Square -x to get \"x%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-x%29=x%5E2%2B3x%2B7\" Multiply -3 and -x to get 3x\r
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\n" ); document.write( "\n" ); document.write( "Now let's evaluate \"f%28-x%29-f%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-x%29-f%28x%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2%2B3x%2B7%29-%28x%5E2-3x%2B7%29\" Plug in \"f%28-x%29=x%5E2%2B3x%2B7\" and \"f%28x%29=x%5E2-3x%2B7\" \r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B3x%2B7-x%5E2%2B3x-7\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"6x\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "So \"f%28-x%29-f%28x%29=6x\" when \"f%28x%29=x%5E2-3x%2B7\"
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