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2*((integrate (x^3-x^2-12x) dx from x=-3..0) + |(integrate (x^3-x^2-12x) dx from x=0..4)|)
2*((integrate (x^3-x^2-12x) dx from x=-3..0) + |(integrate (x^3-x^2-12x) dx from x=0..4)|)
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