Question

Factorise the expression p2(squared) - 6p+8

Answer 1

$p^{2}$ - 6p + 8

First, factor $p^{2}$ - 6p + 8
Which two numbers add up to -6 and multiply to 8?
-4 and -2 do.
Rewrite the expression now. 
Your problem should look like: (p - 4)(p - 2)

Answer: (p - 4)(p - 2)