Question

m2 - 25 m + 100 factorise

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Answer 1

m2 - 25m + 100

m2 + 50m -25m + 100

m( m + 50) - 25( m + 50)

(m - 25) ( m + 50)

Answer 2

Answer:

=>m²-25m+100=0

=>m²-20m-5m+100=0

=>m(m-20) -5(m-20) =0

=>(m-5)(m-20)=0

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