Question

factorise: m2 + m - 72

Answer 1

m=8

m^2+m=72
...............

Answer 2

Hey mate, here is your answer:)

= m^2+m-72

= m^2+(9-8)m-72

= m^2+9m-8m-72

= m(m+9) -8(m+9)

= (m-8) (m+9)

HOPE it helps!!!!!