Find the coefficient of x2in (2x2 + 5)(4 - 3x2)

What is a possible solutions of the x> 3?

Could somebody me with this radical simplification?

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.]