document.write( "Question 140384: Solve 2x*squared* - 5x=5 by completing the square. \n" ); document.write( "
Algebra.Com's Answer #102250 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Solve 2x*squared* - 5x=5 by completing the square. \n" ); document.write( ": \n" ); document.write( "2x^2 - 5x + ___ = 5 \n" ); document.write( ": \n" ); document.write( "Divide the equation by 2 to make the coefficient of x^2 = 1 \n" ); document.write( "x^2 - (5/2)x + ___ = 5/2 \n" ); document.write( ": \n" ); document.write( "Divide 5/2 by 2 and square it to complete the square, add to both sides \n" ); document.write( "x^2 - (5/2)x + 25/16 = 5/2 + 25/16 \n" ); document.write( ": \n" ); document.write( "x^2 - (5/2)x + 25/16 = 40/16 + 25/16 \n" ); document.write( ": \n" ); document.write( "x^2 - (5/2)x + 25/16 = 65/16 \n" ); document.write( ": \n" ); document.write( "(x - \n" ); document.write( ": \n" ); document.write( "x - \n" ); document.write( ": \n" ); document.write( "x - \n" ); document.write( ": \n" ); document.write( "x = \n" ); document.write( "You can write it: \n" ); document.write( "x = \n" ); document.write( "and \n" ); document.write( "x = |