Question

Factorise m^2+16m-36​

Answer 1

Step-by-step explanation:

m^2+16m-36=0

m^2+18m-2m-36=0

m(m+18)-2(m+18)=0

(m-2)(m+18)=0

m-2=0, m+18=0

m=2 or m=-18

Answer 2

Answer:

${m}^{2} + 16m - 36$

$= {m}^{2} + 18m - 2m - 36$

$= m(m + 18) - 2(m + 18)$

$= (m - 2)(m + 18)$