document.write( "Question 618969: what is Value of x; when x3-x=990 \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "what is Value of x\n" ); document.write( "x^3-x=990\n" ); document.write( "x^3-x -990 = 0 Note: is one solution 1000-10 -990 = 0 \n" ); document.write( "Using synthetic division \n" ); document.write( " 10 1 0 -1 -990\n" ); document.write( " 10 100 990\n" ); document.write( " 1 10 99 0\n" ); document.write( "(x-10)(x^2 + 10x + 99)\n" ); document.write( "(x^2 + 10x + 99)\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "\n" ); document.write( " ONe real solution, x = 10 and two imaginary solutions