A 3
B 1/2
C -2
D -1/2

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

Describe how making an ‘and’ compound sentence effects your solution set

Factor and solve to find roots x squared -x - 90 =0