document.write( "Question 1030342: Twice the square of a number minus twice the number equals negative thirteen. What is the number? \n" ); document.write( "
Algebra.Com's Answer #646993 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! 2(x^2)-2x=-13 \n" ); document.write( "2x^2-2x+13=0 \n" ); document.write( " \n" ); document.write( "Plug into our quadratic formula you get: \n" ); document.write( "x=2+/-sq rt(4-4(2)(13))/4 \n" ); document.write( " =2+/-sq rt(4-104)/4=2+/-sq rt(-100)/4\r \n" ); document.write( "\n" ); document.write( "You cannot get a real number that fits the parameters of your question. \n" ); document.write( " |