document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=605419>Question 605419</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help: quadratic equations; the square of a number is the same as twice the number? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #381678 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=381678\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"the square of a number is the same as twice the number\" means that\r<BR>\n" );
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document.write( "x^2 = 2x\r<BR>\n" );
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document.write( "Now solve for x\r<BR>\n" );
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document.write( "x^2 = 2x\r<BR>\n" );
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document.write( "x^2 - 2x = 0\r<BR>\n" );
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document.write( "x(x-2) = 0\r<BR>\n" );
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document.write( "x = 0 or x-2 = 0\r<BR>\n" );
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document.write( "x = 0 or x = 2\r<BR>\n" );
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document.write( "So the solutions are x = 0 or x = 2\r<BR>\n" );
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document.write( "This means that the square of 0 (or 0^2 = 0) is the same as twice zero (2*0 = 0)\r<BR>\n" );
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document.write( "and that\r<BR>\n" );
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document.write( "the square of 2 (2^2 = 4) is the same as twice the number 2 (2*2 = 4)\r<BR>\n" );
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