document.write( "Question 245844: if a number is added to two times its square, the result is thirty-six. Find all such numbers \n" ); document.write( "
Algebra.Com's Answer #179535 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! Let x be the number.\r \n" ); document.write( "\n" ); document.write( "Then we have:\r \n" ); document.write( "\n" ); document.write( "x+2x^2=36\r \n" ); document.write( "\n" ); document.write( "Rewrite this as:\r \n" ); document.write( "\n" ); document.write( "2x^2 + x - 36 = 0\r \n" ); document.write( "\n" ); document.write( "(2x+9)*(x-4) = 0\r \n" ); document.write( "\n" ); document.write( "The solutions are values of x that solve 2x+9 = 0 and x-4 = 0 \n" ); document.write( " |