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Plot[{Abs[x^2 - 2 x + 2], Abs[2 x^2 - 5 x + 2] + Abs[x^2 - 3 x]}, {x, -5, 5}]
Plot[{Abs[x^2 - 2 x + 2], Abs[2 x^2 - 5 x + 2] + Abs[x^2 - 3 x]}, {x, -5, 5}]
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