document.write( "Question 427629: 3x^2 -2x + 7 from 2x^2 +5x - 9 \n" ); document.write( "
\n" ); document.write( "Hi\n" ); document.write( "3x^2 -2x + 7 from 2x^2 +5x - 9 |Note the use of ^ (uppercase 6)\n" ); document.write( "If I am understanding Your question properly\n" ); document.write( "2x^2 +5x -9 -1*(3x^2 -2x + 7) |removing parenthesis \n" ); document.write( "2x^2 +5x - 9 -3x^2 +2x - 7 |combining 'Like' terms \n" ); document.write( " -x^2 + 7x - 16\n" ); document.write( "