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Regional Olympiad - FBH 2011 Grade 9 Problem 1

Source: Regional Olympiad - Federation of Bosnia and Herzegovina 2011

September 26, 2018
factorizationalgebra

Problem Statement

Factorise (a+2b−3c)3+(b+2c−3a)3+(c+2a−3b)3(a+2b-3c)^3+(b+2c-3a)^3+(c+2a-3b)^3
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