document.write( "Question 622805: Solve the quadratic equation by using the quadratic formula. (Enter your answers as a comma-separated list.)
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\n" ); document.write( "x² = -3x + 1 \n" ); document.write( "

Algebra.Com's Answer #391633 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "          x² = -3x + 1\r\n" );
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document.write( "Get 0 on the right:\r\n" );
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document.write( " x² + 3x - 1 = 0 \r\n" );
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document.write( "Put a 1 coefficient for the x²\r\n" );
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document.write( "1x² + 3x - 1 = 0\r\n" );
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document.write( "Compare that to the general quadratic equation, which is\r\n" );
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document.write( "ax² + bx + c = 0\r\n" );
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document.write( "and you see that a=1, b=3, and c=-1\r\n" );
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document.write( "Substutute into this \r\n" );
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document.write( "x = \r\n" );
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document.write( "Simplify:\r\n" );
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document.write( "x = \r\n" );
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document.write( "The ± symbol means that there are two answers, one using the +\r\n" );
document.write( "and one using the - :\r\n" );
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document.write( ", \r\n" );
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document.write( "That's it.  Be sure to memorize \r\n" );
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document.write( "ax² + bx + c = 0\r\n" );
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document.write( "and\r\n" );
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document.write( "x = \r\n" );
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document.write( "Edwin

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