Question

Factorise the following
(i) $p^2+6p+8$

Answer 1

$p^2+6p+8$ [By splitting the middle term]

$\Rightarrow p^2+2p+4p+8$

$\Rightarrow p(p+2)+4(p+2)$

$\Rightarrow (p+4)(p+2)$.