document.write( "Question 827285: factor each rational expression including set, factor, excluded value, real number and domain. show all steps for the following;\r
\n" ); document.write( "\n" ); document.write( "1-x^2 / x\r
\n" ); document.write( "\n" ); document.write( "2b - 2 / 2b^2 - 8
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Algebra.Com's Answer #498590 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"%281-x%5E2%29+%2F+x\"\r
\n" ); document.write( "\n" ); document.write( "\"%28%281-x%29%281%2Bx%29%29+%2F+x\"\r
\n" ); document.write( "\n" ); document.write( "domain: all real number except \"x=0\"\r
\n" ); document.write( "\n" ); document.write( "{ \"x\" element \"R\" : \"x%3C%3E0+\" } (assuming a function from reals to reals)\r
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\n" ); document.write( "\n" ); document.write( "and\r
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\n" ); document.write( "\n" ); document.write( "\"%282b+-+2%29+%2F+%282b%5E2+-+8%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2%28b+-+1%29+%2F+2%28b%5E2+-+4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"cross%282%29%28b+-+1%29+%2F+cross%282%29%28b%5E2+-+4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28b+-+1%29+%2F+%28b%5E2+-+2%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28b+-+1%29+%2F+%28%28b+-2%29%28b%2B2%29%29\"\r
\n" ); document.write( "\n" ); document.write( "for \"%28b+-2%29%28b%2B2%29=0\", exclude values for \"b\" from domain\r
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\n" ); document.write( "\n" ); document.write( "if \"b+-2=0\" => \"b=2\" \r
\n" ); document.write( "\n" ); document.write( "if \"b+%2B2=0\" => \"b=-2\" \r
\n" ); document.write( "\n" ); document.write( "domain:
\n" ); document.write( "{ \"b\" element \"R\" : \"b%3C%3E2+\" and \"b%3C%3E-2+\"}\r
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