Question

plss solve this problem.Factorisation

Answer 1

m-1 - (m-1)² + am - a = 0
=>m-1 - m² + 1 - 2m + am - a = 0
=> -m² - m + am - a = 0
=>m² + (1-a)m - a = 0
=>m² + m - am - a = 0
=>m(m+1) - a(m+1) = 0
=>(m-a)(m+1) = 0

=> m-1 - (m-1)² + am - a = (m-a)(m+1).


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