document.write( "Question 545970: I don't understand this problem confused it asked to solve the quadratic equation by completing the statement.
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Algebra.Com's Answer #355801 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "x² - 14x = -45\r\n" );
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document.write( "To find out what number to add to both sides,\r\n" );
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document.write( "1. Take the coefficient of x which is -14\r\n" );
document.write( "2. Multiply it by \"1%2F2\" to get -14(\"-1%2F2\") = -7\r\n" );
document.write( "3. Square that result:  (-7)² = 49\r\n" );
document.write( "4. Add that number to both sides of the equation:\r\n" );
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document.write( "x² - 14x + 49 = -45 + 49\r\n" );
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document.write( "Factor the left side, and combine the number on the right:\r\n" );
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document.write( "(x - 7)(x - 7) = 4\r\n" );
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document.write( "Write the left side as  (x - 7)²\r\n" );
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document.write( "      (x - 7)² = 4\r\n" );
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document.write( "Use the principle of square roots\r\n" );
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document.write( "         x - 7 = ±2\r\n" );
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document.write( "Use the +        Use the -\r\n" );
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document.write( "x - 7 = +2       x - 7 = -2\r\n" );
document.write( "    x =  9           x = 5\r\n" );
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document.write( "Edwin
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