What are the solutions of the equation x^3 + 5x^2 - 2x + 1 = 0?
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Question: What is the square root of 81? How does it compare to the square root of 64? Would √81 + √64 be greater than, equal to, or smaller than 13.5? Explain your reasoning.
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What is the area of a regular hexagon with a side length of 8cm?