2(m-1) - 3(m-1)² + 2(m-1)³ Factor out (m-1) (m-1)[2 - 3(m-1) + 2(m-1)²] (m-1)[2 - 3m + 3 + 2(m-1)²] (m-1)[5 - 3m + 2(m-1)(m-1)] (m-1)[5 - 3m + 2(m²-2m+1)] (m-1)[5 - 3m + 2m² - 4m + 2] (m-1)[2m²-7m+7] (m-1)(2m²-7m+7) Edwin