Can someone do this for me ?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

What is the factored form of the following expressions? d^2 – 13d + 36

Which of the following graphs could represent a cubic function?