document.write( "Question 1047804: it is given that k is a root of quadratic equation x2+x+c = 0
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document.write( "Find the other root of equation
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Algebra.Com's Answer #663357 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "it is given that k is a root of quadratic equation x2+x+c = 0 \n" ); document.write( "Find the other root of equation \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "If k and p are the roots, then\r\n" ); document.write( "\r\n" ); document.write( "k + p = -1 (the coefficient at x with the opposite sign).\r\n" ); document.write( "\r\n" ); document.write( "Hence, the other root is p = -1-k.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Another solution:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "If k and p are the roots, then\r\n" ); document.write( "\r\n" ); document.write( "k*p = c (the constant term).\r\n" ); document.write( "\r\n" ); document.write( "Hence, the other root is p = \n" ); document.write( " \n" ); document.write( " |