A polynomial P(x) and a divisor d(x) are given. Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x), and express P(x) in the form d(x)? Q(x) + R(x).P(x) = 2x4 - x3 - 15x2 + 3xd(x) = x + 3
A. (x + 3)(2x3 - 7x2 + 6x - 15) + 45
B. (x + 3)(2x3 + 5x2 + 3) + 9
C. (x + 3)(2x3 - 7x2 + 6x - 15) - 45
D. (x + 3)(2x3 - 5x2 + 3) + 9
Answer: A
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