document.write( "Question 1028894: Solve the quadratic equation by taking square roots.\r
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Algebra.Com's Answer #643981 by Theo(13342)![]() ![]() You can put this solution on YOUR website! start with:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 * (x-2)^2 = 22\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "divide both sides of the equation by 2 to get (x-2)^2 = 11\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "take the square root of both sides of the equation to get x-2 = plus or minus sqrt(11).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "add 2 to both sides of the equation to get x = 2 plus or minus sqrt(11)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you have two possible values for x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 2 + sqrt(11)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 2 - sqrt(11)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "replace x in the original equation with these values and you'll see that the equation is true.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |