document.write( "Question 100447: Could someone please help me with this equation??? Solve the quadratic equation bt completing the square.
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Algebra.Com's Answer #73135 by doukungfoo(195)![]() ![]() You can put this solution on YOUR website! Solve by completing the square \n" ); document.write( " \n" ); document.write( "First move the term without a variable to the other side of the equal sign \n" ); document.write( "In this problem we'll move the 3 \n" ); document.write( " \n" ); document.write( "Next divide all terms by the number with \n" ); document.write( "In this problem there is a 1 so essential we can skip this step. \n" ); document.write( "But I will show the work just to be clear. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Now take half of the number with x and square it \n" ); document.write( "The number with x in this problem is -6 \n" ); document.write( "Half of -6 is -3 \n" ); document.write( "-3 squared is 9 \n" ); document.write( "Now add 9 to both sides of the equal sign \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Next factor the left hand side to convert it to its squared form \n" ); document.write( "The left side of the equation is \n" ); document.write( "this is converts to \n" ); document.write( " \n" ); document.write( "So now our problem looks like this: \n" ); document.write( " \n" ); document.write( "Next take the square root of both sides remember that the right side will be \n" ); document.write( "plus or minus the square root \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Finally solve for x \n" ); document.write( " \n" ); document.write( "and \n" ); document.write( " \n" ); document.write( "These are the TWO answers for x\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |