The quotient when x⁴ - x² + 7x + 5 is divided by (x + 2) is ax³ + bx² + cx + d. What are the values of a, b, c and d respectively? - CDS Elementary Mathematics 2019 (II)

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The quotient when x⁴ – x² + 7x + 5 is divided by (x + 2) is ax³ + bx² + cx + d. What are the values of a, b, c and d respectively?