document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=591022>Question 591022</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me and show work<BR>\n" );
document.write( "Find all real solution\r<BR>\n" );
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document.write( "1. square rootx+8 + squarerootx-9 =17\r<BR>\n" );
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document.write( "2.x^2/7=2 </SPAN>\n" );
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document.write( "1. sqrt(x+8) + sqrt(x-9) = 17<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Square both sides:<BR>\n" );
document.write( "(x+8) + 2*sqrt(x^2-x-72) + x-9 = 289<BR>\n" );
document.write( "-----------------------------------<BR>\n" );
document.write( "2x-1 + 2*sqrt(x^2-x-72) = 289<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "2sqrt(x^2-x-72) = 290-2x<BR>\n" );
document.write( "------<BR>\n" );
document.write( "sqrt(x^2-x-72) = 145 - x<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Square both sides again:<BR>\n" );
document.write( "x^2-x-72 = 21025 - 290x + x^2<BR>\n" );
document.write( "289x = 21097<BR>\n" );
document.write( "x = 73<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "2.x^2/7=2<BR>\n" );
document.write( " </SPAN>\n" );
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