Question 5 [2 points} Use the Binomial Theorem to expand and simplify the expression Iliix2 - 5yl4. Show all your work. Paragraph v Late (Ream... v Add a File Record Audio Record Video Question 15 [2 points} Suppose you are expanding [3x + 2y2}9. a} il How many terms are there in the expansion? ii} State the last term. b} Without expanding [use the Formula for the General Term}, what is the 4th term? Show your work