Question 1 Report
Factorize m3 - 2m2 - m + 2
Answer Details
m3 - 2m2 - m + 2 Let f(m) = m3 - 2m2 - m2 + 2 = f(1) = 1 - 2 - 2 + 2 = 0 ∴ m - 1 is factor m3−2m2−m2+2m−1 m 3 − 2 m 2 − m 2 + 2 m − 1 = m2 - m - 2 = (m - 1)m2 - m - 2 = (m - 1)(m + 1)(m - 2)