document.write( "Question 65412: (x+3)-2(x+4)=(x-4)(x-3) \n" ); document.write( "
Algebra.Com's Answer #45937 by Edwin McCravy(20055) $\"\"$ $\"About$
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(x+3) - 2(x+4) = (x-4)(x-3)\r\n" );
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document.write( "Put a 1 before the first parenthesis on the left\r\n" );
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document.write( "1(x+3) - 2(x+4) = (x-4)(x-3)\r\n" );
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document.write( "Remove parentheses on left by distributing.\r\n" );
document.write( "Use FOIL on the right\r\n" );
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document.write( "x + 3 - 2x - 8 = x² - 3x - 4x + 12\r\n" );
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document.write( "        -x - 5 = x² - 7x + 12\r\n" );
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document.write( "             0 = x² - 6x + 17\r\n" );
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document.write( "This won't factor\r\n" );
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document.write( "Use the quadratic formula:\r\n" );
document.write( "                  ______ \r\n" );
document.write( "            -b ± Öb²-4ac\r\n" );
document.write( "        x = —————————————\r\n" );
document.write( "                2a \r\n" );
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document.write( "where a = 1; b = -6; c = 17\r\n" );
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document.write( "                      ______________ \r\n" );
document.write( "             -(-6) ± Ö(-6)²-4(1)(17)\r\n" );
document.write( "        x = ————————————————————————\r\n" );
document.write( "                     2(1) \r\n" );
document.write( "                  _____ \r\n" );
document.write( "             6 ± Ö36-68\r\n" );
document.write( "        x = ————————————\r\n" );
document.write( "                 2\r\n" );
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document.write( "                  ___ \r\n" );
document.write( "             6 ± Ö-32\r\n" );
document.write( "        x = ——————————\r\n" );
document.write( "                2\r\n" );
document.write( "\r\n" );
document.write( "                   __ \r\n" );
document.write( "             6 ± iÖ32\r\n" );
document.write( "        x = ——————————\r\n" );
document.write( "                2 \r\n" );
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document.write( "                   ____\r\n" );
document.write( "             6 ± iÖ16·2\r\n" );
document.write( "        x = ————————————\r\n" );
document.write( "                 2\r\n" );
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document.write( "                    _\r\n" );
document.write( "             6 ± 4iÖ2\r\n" );
document.write( "        x = ——————————\r\n" );
document.write( "                2\r\n" );
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document.write( "                      _\r\n" );
document.write( "             6     4iÖ2\r\n" );
document.write( "        x = ——— ± ——————\r\n" );
document.write( "             2      2\r\n" );
document.write( "                   _\r\n" );
document.write( "        x = 3 ± 2iÖ2 \r\n" );
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document.write( "Edwin
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