Question
Factorise:
$p^2+6 p+8$
$p^2+6 p+8$
✓
Answer
$p^2+6 p+8$
$=p^2+4 p+2 p+8$
$\{8=4 \times 2,6=4+2\}$
$=p(p+4)+2(p+4)$
$=(p+4)(p+2)$
$=p^2+4 p+2 p+8$
$\{8=4 \times 2,6=4+2\}$
$=p(p+4)+2(p+4)$
$=(p+4)(p+2)$
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