Mathematics

Mathematics, 04.03.2021 07:30, lmcginnis2003

. What is the average (arithmetic mean) of
x^2 + 2x - 3, 3x^2 - 2x - 3, and 30 - 4x^2?

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. What is the average (arithmetic mean) of
x^2 + 2x - 3, 3x^2 - 2x - 3, and 30 - 4x^2?...

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