document.write( "Question 392115: Radicals & rational expressions (solve using appropriate method)\r
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document.write( "sqrt 2x - 4 = x - 14 \n" );
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Algebra.Com's Answer #278654 by fafa(13)![]() ![]() You can put this solution on YOUR website! square root 2x-4 = x-14 \n" ); document.write( "we have to square both side so the square root will b gone \n" ); document.write( "2x-4= (x-4)^2 \n" ); document.write( "2x-4= x^2 - 28x + 196 \n" ); document.write( "we can change the side to solve this case easier \n" ); document.write( "x^2 - 28x + 196 = 2x - 4 \n" ); document.write( "x^2 - 30 x + 200 = 0 \n" ); document.write( "(x-20).(x-10)=0\r \n" ); document.write( "\n" ); document.write( "x-20=0 \n" ); document.write( "x=20\r \n" ); document.write( "\n" ); document.write( "or\r \n" ); document.write( "\n" ); document.write( "x-10=0 \n" ); document.write( "x=10\r \n" ); document.write( "\n" ); document.write( "so x=20 or x=10 \n" ); document.write( " \n" ); document.write( " |