document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=696339>Question 696339</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find positive square root of equation 4x^2+ 7x = 15 complete square\r<BR>\n" );
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document.write( "Solving a Quadratic Equation by Completing the Square </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #428952 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=428952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x^2+ 7x = 15 complete square <BR>\n" );
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document.write( "4(x^2 + (7/4)x + ?) = 15 + 4*?<BR>\n" );
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document.write( "4(x^2 + (7/4)x + (7/8)^2) = 15 + 4(7/8)^2<BR>\n" );
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document.write( "4(x+(7/8))^2 = (15*64+28)/64<BR>\n" );
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document.write( "4(x+(7/8)^2) = 988/64<BR>\n" );
document.write( "(x+(7/8))^2 = 247/64<BR>\n" );
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document.write( "x+(7/8) = sqrt(247)/8 or x+(7/8) = -sqrt(247/8<BR>\n" );
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document.write( "x = [-7 + sqrt(247)]/8 or x = [-7-sqrt(247]/8<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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