document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196612>Question 196612</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve algebraically and check your potential solutions:   &#8730;(x+2)-x=0 </SPAN>\n" );
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document.write( "Solve algebraically and check your potential solutions: &#8730;(x+2)-x=0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Rearrange:<BR>\n" );
document.write( "sqrt(x+2) = x<BR>\n" );
document.write( "Square both sides to get:<BR>\n" );
document.write( "x+2 = x^2<BR>\n" );
document.write( "x^2-x-2 = 0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(x-2)(x+1) = 0<BR>\n" );
document.write( "x = 2 or x = -1<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Check x = 2 in the original equation:<BR>\n" );
document.write( "sqrt(2+2) = 2<BR>\n" );
document.write( "That is true<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Check x = -1 in the original equation:<BR>\n" );
document.write( "sqrt(-1+2) = -1<BR>\n" );
document.write( "That is false<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Final Solution:<BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );