Answer:
Area = 2x^4 + x^3 - 15x^2 + 8x + 24
Explanation:
A = (x + 3)(2x^3 - 5x^2 + 8)
A = 2x^4 - 5x^3 + 8x + 6x^3 - 15x^2 +24
combine like terms:
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