document.write( "Question 1209731: Let r, s, and t be solutions of the equation $\"x%5E3+%2B+2x%5E2+-+5x+%2B+15+=+0\"$ .
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\n" ); document.write( " $\"1%2F%28r+-+2s+-+2t%29+%2B+1%2F%28s+-+2r+-+2t%29+%2B+1%2F%28t+-+2r+-+2s%29\"$ \n" ); document.write( "

Algebra.Com's Answer #851888 by ikleyn(52790) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The answer in the post by @CPhill, $\"45%2F622\"$ , is incorrect.\r
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\n" ); document.write( "\n" ); document.write( "He made errors in his calculations.\r
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\n" ); document.write( "\n" ); document.write( "The correct answer is $\"45%2F617\"$ .\r
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