document.write( "Question 901140: Solve the equation √x−5=x−5.75 . You will find only one solution \n" ); document.write( "
Algebra.Com's Answer #546502 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Solve the equation √x−5=x−5.75 . You will find only one solution \n" ); document.write( "*** \n" ); document.write( "√x−5=x−5.75 \n" ); document.write( "√x=x-.75 \n" ); document.write( "square both sides \n" ); document.write( "x=x^2-1.5x+.75^2 \n" ); document.write( "x^2-2.5x+.75^2=0 \n" ); document.write( "(x-.25)(x-2.25)=0 \n" ); document.write( "x=0.25 \n" ); document.write( "or \n" ); document.write( "x=2.25 \n" ); document.write( "check: \n" ); document.write( "For x=0.25 \n" ); document.write( "√(.25)-5=.25-5.75 \n" ); document.write( "-4.5≠5.5 \n" ); document.write( "0.25 is extraneous root \n" ); document.write( ".. \n" ); document.write( "For x=2.25 \n" ); document.write( "√(2.25)-5=2.25-5.75 \n" ); document.write( "-3.5=-3.5 \n" ); document.write( "2.25 check ok \n" ); document.write( " \n" ); document.write( " |