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Mathematics 8 Online
OpenStudy (anonymous):

Factor by grouping 2x^3-2x^2-x+1

jimthompson5910 (jim_thompson5910):

2x^3-2x^2-x+1 (2x^3-2x^2)+(-x+1) 2x^2(x-1)-1(x-1) (2x^2-1)(x-1) So 2x^3-2x^2-x+1=(2x^2-1)(x-1)

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