Which expression can be used to find the sum of the polynomials? 9-3x2+-8x2+4x+5 [-3x2+-8x2]+4x+[9+-5] [3x2+8x2]+4x+[9+-5] [3x2+-8x2]+4x+[9+5] [-3x2+-8x2]+4x+[9+5] Question Answer: solved algebra 10 months ago 7065