document.write( "Question 34318:
How do I begin to work problems like these?\r\n" ); document.write( " _ _ _ \r\n" ); document.write( "(4Öp + Ö7)(Öp - 9)\r\n" ); document.write( "\r\n" ); document.write( "I'm confused as to what to do with the number on the outside\r\n" ); document.write( "of the radical that is not the index number.
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Algebra.Com's Answer #20631 by AnlytcPhil(1806) $\"\"$ $\"About$

You can put this solution on YOUR website!

How do I begin to work problems like these?\r\n" );
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document.write( "(4Öp + Ö7)(Öp - 9)\r\n" );
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document.write( "I'm confused as to what to do with the number on the outside\r\n" );
document.write( "of the radical that is not the index number.\r\n" );
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document.write( "Multiply them, usually.\r\n" );
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document.write( "   _    _   _  \r\n" );
document.write( "(4Öp + Ö7)(Öp - 9)\r\n" );
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document.write( "Use FOIL:\r\n" );
document.write( "      _  _\r\n" );
document.write( "F = 4Öp·Öp = 4p\r\n" );
document.write( "      _            _  \r\n" );
document.write( "O = 4Öp·(-9) = -36Öp\r\n" );
document.write( "     _  _    __\r\n" );
document.write( "I = Ö7·Öp = Ö7p\r\n" );
document.write( "     _       _\r\n" );
document.write( "L = Ö7·9 = 9Ö7\r\n" );
document.write( "                 _    __     _\r\n" );
document.write( "Answer:  4p - 36Öp + Ö7p - 9Ö7\r\n" );
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document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com

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