document.write( "Question 1051090: Solve -x^2-3x+1=0 with clear steps so I can learn please! Thank you! \n" ); document.write( "
Algebra.Com's Answer #666683 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "Solve -x^2-3x+1=0 with clear steps so I can learn please! Thank you!
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document.write( "The equation is equivalent to \r\n" );
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document.write( "\"x%5E2+%2B+3x+-1\" = \"0\".   ( After multiplying both sides by (-1) )\r\n" );
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document.write( "Apply the quadratic formula\r\n" );
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document.write( "\"x%5B1%2C2%5D\" = \"%28-3+%2B-+sqrt%283%5E2+-+4%2A1%2A%28-1%29%29%29%2F2\" = \"%28-3+%2B-+sqrt%289%2B4%29%29%2F2\" = \"%28-3+%2B-+sqrt%2813%29%29%2F2\".\r\n" );
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document.write( "Thus  \"x%5B1%5D\" = \"%28-3+%2B+sqrt%2813%29%29%2F2\", \"x%5B2%5D\" = \"%28-3+-+sqrt%2813%29%29%2F2\".\r\n" );
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\n" ); document.write( "\n" ); document.write( "On quadratic formula, see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Introduction into Quadratic Equations\r
\n" ); document.write( "\n" ); document.write( "    - PROOF of quadratic formula by completing the square\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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