document.write( "Question 43577: Solve the equation: x-3-sqrt of x-1=0
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document.write( "The answer is one of the following: A.x=1,7 B.x=2,5 C.x=5 D.x=7\r
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document.write( "Thank you for your time! \n" );
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Algebra.Com's Answer #28572 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the equation: x-3-sqrt of x-1=0\r \n" ); document.write( "\n" ); document.write( "sqrt(x-1)=x-3\r \n" ); document.write( "\n" ); document.write( "Square both sides to get:\r \n" ); document.write( "\n" ); document.write( "x-1=x^2-6x+9 \n" ); document.write( "x^2-7x+10=0 \n" ); document.write( "(x-5)(x-2)=0 \n" ); document.write( "x=5 or x=2 \n" ); document.write( "Checking these answers in the original equation \n" ); document.write( "you will find that x=5 is a solution but x=2 \n" ); document.write( "is extraneous solution.\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |