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(-4.9(4 + 1/10000)^2 + 30(4 + 1/10000) - (-4.9(4)^2 + 30(4))) * 10000
(-4.9(4 + 1/10000)^2 + 30(4 + 1/10000) - (-4.9(4)^2 + 30(4))) * 10000
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