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simplify (x ^ 2) * ((x * 3 + (x * 2 * (x+10) * 1999))) * (x * 2 * (x + 2 * 10^15 - 1) * 1999)
simplify (x ^ 2) * ((x * 3 + (x * 2 * (x+10) * 1999))) * (x * 2 * (x + 2 * 10^15 - 1) * 1999)
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