Find the values of a and b for which (2x-a)³ = 8x³ + bx² + 6a²x - 27
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Alexander Graham Bell was a Scottish-born inventor, scientist, and engineer who is credited with inventing and patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company in 1885.
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Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust
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