Algebra 2MediumPolynomial Functions SharePolynomial Functions · Medium problemWhat is the sum of the roots of 2x4−8x3+5x2−x+9=02x^4 - 8x^3 + 5x^2 - x + 9 = 02x4−8x3+5x2−x+9=0?Check Show answer Walk through it step by step Practice more like this Review this concept