document.write( "Question 498166: solve the following equations.\r
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document.write( "1. 1/(x-2)^2 + 1/(x-2) -6 =0\r
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document.write( "2. 2/(x+1) - 5/(sqrt x+1) +3 =0 \n" );
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Algebra.Com's Answer #336933 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! solve the following equations. \n" ); document.write( "1. 1/(x-2)^2 + 1/(x-2) -6 =0 \n" ); document.write( "2. 2/(x+1) - 5/(sqrt x+1) +3 =0 \n" ); document.write( "** \n" ); document.write( "1. 1/(x-2)^2 + 1/(x-2) -6 =0 \n" ); document.write( "let u=1/(x-2) \n" ); document.write( "u^2=1/(x-2)^2 \n" ); document.write( "u^2+u-6=0 \n" ); document.write( "(u+3)(u-2)=0 \n" ); document.write( "u=-3 or 2 \n" ); document.write( ".. \n" ); document.write( "for u=-3 \n" ); document.write( "-3=1/(x-2) \n" ); document.write( "-3x+6=1 \n" ); document.write( "3x=5 \n" ); document.write( "x=5/3 \n" ); document.write( ".. \n" ); document.write( "for u=2 \n" ); document.write( "2=1/(x-2) \n" ); document.write( "2x-4=1 \n" ); document.write( "2x=5 \n" ); document.write( "x=5/2 \n" ); document.write( ".. \n" ); document.write( "2. 2/(x+1) - 5/(sqrt x+1) +3 =0 \n" ); document.write( "2/(x+1)-5/√(x+1)+3=0 \n" ); document.write( "let u=1/√(x+1) \n" ); document.write( "u^2=1/(x+1) \n" ); document.write( "2u^2-5u+3=0 \n" ); document.write( "(u-1)(2u-3)=0 \n" ); document.write( "u=1 or 3/2 \n" ); document.write( ".. \n" ); document.write( "For u=1 \n" ); document.write( "1=1/√(x+1) \n" ); document.write( "√(x+1)=1 \n" ); document.write( "square both sides \n" ); document.write( "x+1=1 \n" ); document.write( "x=0 \n" ); document.write( ".. \n" ); document.write( "for u=3/2 \n" ); document.write( "3/2=1/√(x+1) \n" ); document.write( "3√(x+1)=2 \n" ); document.write( "square both sides \n" ); document.write( "9(x+1)=4 \n" ); document.write( "9x+9=4 \n" ); document.write( "9x=-5 \n" ); document.write( "x=-5/9 \n" ); document.write( " |