Question

solve using identity
(m+2) (m+4)​

Answer 1

(a+b)(a+c)=a^2+ac+ab+bc

Answer 2

$= m(m + 4) + 2(m + 4)$

$= {m}^{2} + 4m + 2m + 8$

$= {m}^{2} + 6m + 8$