(—225) = [(—40) - (—8)]

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

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?