The product of a binomial and a trinomial is x 3 + 3 x 2 ? x + 2 x 2 + 6 x ? 2. which expression is equivalent to this product after it has been fully simplified?

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.]