document.write( "Question 233411: I am supposed to complete the square: x^2 + 5/2x = 5
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document.write( "How do I get rid of the fraction 5/2- I can't square it, can I? I don't know how to solve it. \n" );
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Algebra.Com's Answer #172277 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! complete the square: x^2 + 5/2x = 5 \n" ); document.write( "Multiply the 5/2 by 1/2; square the result and add to both sides to get: \n" ); document.write( "============================= \n" ); document.write( "x^2 + (5/2)x + (5/4)^2 = 5 + (5/4)^2 \n" ); document.write( "--- \n" ); document.write( "(x+(5/4))^2 = (80/16) + (25/16) = 105/16 \n" ); document.write( "--- \n" ); document.write( "Take the square root of both sides to get: \n" ); document.write( "x+(5/4) = +/-(sqrt(105))/4 \n" ); document.write( "--- \n" ); document.write( "x = [-5+/-(sqrt(105)]/4\r \n" ); document.write( "\n" ); document.write( "=================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |