document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177855>Question 177855</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by completing the square. Show your work.\r<BR>\n" );
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document.write( "29. 2x2 - 6x + 1 = 0\r<BR>\n" );
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document.write( " 30. -x2 - 8x + 5 = 0\r<BR>\n" );
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document.write( "31. 9x2 - 18x - 1 = 0 \r<BR>\n" );
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document.write( "32. -4x2 + 8x - 3 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132839 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=132839\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -4x2 + 8x - 3 = 0<BR>\n" );
document.write( "x^2-2x+(3/4)=0 divide each side by -4<BR>\n" );
document.write( "x^2-2x   =-.75 subtract 3/4 from each side to get rid of the 3rd term on the left so you can complete the square in the next step.<BR>\n" );
document.write( "x^2-2x+1=1-.75 Complete the square by dividing the middle term by 2 and squaring it and making the result the 3rd term.<BR>\n" );
document.write( "(x-1)^2=1/4<BR>\n" );
document.write( "x-1=+-(1/2) take square root of each side.<BR>\n" );
document.write( "x=1+.5, x=1-.5<BR>\n" );
document.write( "x=1.5, x=.5<BR>\n" );
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document.write( "Now you know how to do the others.<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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