60 plus 18% ill give brainliest :)

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

98 point question what is the record for most points in one

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]