Question

Factorise: (i) 5ab – 10b + 7a – 14                              (ii)  m² – 3m – 40​

Answer 1

Answer:

(I) 5b(a-2)+7(a-2)

(5b-7)(a-2)

(ii) m²+5m-8m-40

m(m+5)-8(m+5)

(m+5)(m-8)