document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136032>Question 1136032</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me understand how to solve this equation. it is from a lecture not a homework problem, but I want to understand how he achieved the solution. \r<BR>\n" );
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document.write( "the equation is 0.4=0.8(vgsq-1.2)^2  solve for vgsq\r<BR>\n" );
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document.write( "the answer is vgsq=1.907   <BR>\n" );
document.write( "I was trying to get the same answer but I got 1.65 after I took the square root of vgsq. please help me understand this algebra step. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #753773 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=753773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "0.4 = 0.8(vgsq-1.2)^2<br>\r<BR>\n" );
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document.write( "Divide both sides by 0.8<BR>\n" );
document.write( "0.5 = (vgsq-1.2)^2<br>\r<BR>\n" );
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document.write( "Take sqrt of both sides<BR>\n" );
document.write( "0.7071 = (vgsq - 1.2)<br>\r<BR>\n" );
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document.write( "Add 1.2 to both sides:<BR>\n" );
document.write( "0.7071 + 1.2 = vgsq<br><BR>\n" );
document.write( "1.9071 = vgsq<BR>\n" );
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