Help meh.
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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

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What term makes it inconsistent y=2x - 4