document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=98787>Question 98787</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the quadratic equation by completing the square\r<BR>\n" );
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document.write( "x^2 - 6x - 3=0 </SPAN>\n" );
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document.write( "        solve the quadratic equation by completing the square <BR>\n" );
document.write( "x^2 - 6x - 3=0<BR>\n" );
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document.write( "   x^2-6x-3 = 0  reduce it to the std form i.e a^2+2ab+b^2 = (a+b)^2\r<BR>\n" );
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document.write( "  x^2-2.3x = 3   compare with the std form we get 2ab = 2.3x  so a= x & b = 3\r<BR>\n" );
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document.write( "   add (b)^2 = (3)^2 on both sides\r<BR>\n" );
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document.write( "  x^2- 2.3x+(3)^2 = 3+(3)^2\r<BR>\n" );
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document.write( "   (x-3)^2 = 3+9\r<BR>\n" );
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document.write( "  (x-3)^2 = 12\r<BR>\n" );
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document.write( "  taking sq.rt on both sides   \r<BR>\n" );
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document.write( "  (x-3) = +-sq.rt 12\r<BR>\n" );
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document.write( "      x = +-2 sq.rt3 +3\r<BR>\n" );
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document.write( "   required  solution is x = 3+-2 (sq.rt 3) </SPAN>\n" );
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