Question

Factorise and divide
(m^2 - 4m - 45) by (m - 9)​

Answer 1

Answer:

m+5

Step-by-step explanation:

m^2 - 4m - 45

=m^2 - 9m + 5m - 45

= m(m -9) + 5(m-9)

= (m+5)(m-9)

now dividing above answer by (m-9)

(m+5)(m-9)/(m-9) = (m+5)