what is the sum of the polynomials(-x^2+9)+(-3x^2-11x+4). • -4x^2-2x+4• -4x^2-11x+13• 2x^2+20x+4• 2x^2+11x+5 Question Answer: I think the answer is -4x^-11x+13 solved general 11 months ago 7621