document.write( "Question 562231: Twice the square of a number is 10 more than the number. What is the number? \n" ); document.write( "
Algebra.Com's Answer #364500 by mananth(16946)![]() ![]() You can put this solution on YOUR website! number =x \n" ); document.write( "2x^2=x+10\r \n" ); document.write( "\n" ); document.write( "2x^2-x-10=0\r \n" ); document.write( "\n" ); document.write( "2x^2-5x+4x-10=0\r \n" ); document.write( "\n" ); document.write( "x(2x-5)+2(2x-5)=0\r \n" ); document.write( "\n" ); document.write( "(2x-5)(x+2)=0\r \n" ); document.write( "\n" ); document.write( "x=5/2 OR x=-2 \n" ); document.write( " |