When the polynomial P(x) is divided by x 2 − 1 the remainder is 3x − 1. What is the remainder when P(x) is divided by x − 1?
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Let P(x) = (x − 1)(x + 3)Q(x) + ax + b, where Q(x) is a polynomial and a and b are real numbers. The polynomial P(x) has a factor of (x + 3). When P(x) is divided by...