document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=521839>Question 521839</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the standard form of the equation x^2 + y^2 + 10x -8y +5 = 0 </SPAN>\n" );
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document.write( " x^2 + y^2 + 10x -8y +5 = 0<BR>\n" );
document.write( "complete the square<BR>\n" );
document.write( "(x^2+10x+25)+(y^2-8y+16)=-5+25+16=36<BR>\n" );
document.write( "(x+5)^2+(y-4)^2=36<BR>\n" );
document.write( "This is an equation of a circle of the standard form: (x-h)^2+(y-k)^2=r^2, (h,k) being the (x,y) coordinates of the center, r=radius </SPAN>\n" );
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