document.write( "Question 89345: Can you help me with this problem.\r
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document.write( "Find the solution sets for\r
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document.write( "(sqrt2x+1) - (sqrt x) = 1 \n" );
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Algebra.Com's Answer #64921 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! (sqrt2x+1) - (sqrt x) = 1 \n" ); document.write( "---------- \n" ); document.write( "Square both sides to get: \n" ); document.write( "2x+1 -2sqrt(x(2x+1)) + x = 1 \n" ); document.write( "Simplify and isolate the remaining radical, as follows: \n" ); document.write( "2sqrt(2x^2+x) =3x \n" ); document.write( "Square both sides to get: \n" ); document.write( "4(2x^2+x) = 9x^2 \n" ); document.write( "8x^2+4x = 9x^2 \n" ); document.write( "x^2-4x=0 \n" ); document.write( "x(x-4)=0 \n" ); document.write( "x=0 or x=4 \n" ); document.write( "Check the answer in the original equation:(sqrt2x+1) - (sqrt x) = 1 \n" ); document.write( "Does x=0? : sqrt(1)-sqrt(1)=1 : False \n" ); document.write( "Does x=4? ; sqrt(9)-sqrt(4) = 1 : True \n" ); document.write( "-------------- \n" ); document.write( "Final Answer: x=4 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |