Algebra 2HardCircles & Lines ShareCircles & Lines · Hard problemThe cubic x3+ax+bx^3 + ax + bx3+ax+b with real coefficients has 2+i2 + i2+i as a root. What is a+ba + ba+b?A−11-11−11B202020C313131D999E101010Check Show answer Walk through it step by step Practice more like this Review this concept