Question

______ - 10x2+9=(p2-9)(p2-1)

Answer 1

Answer:

$p^4$ or $x^4$ because you wrote $.... -10x^2+9$ instead of p

Step-by-step explanation:

I'm going to assume (p2-9)(p2-1) is actually $(p^2-9)(p^2-1)$

so if I expand it then,

$p^4-p^2-9p^2+9=p^4-10p^2+9$

So the missing part(blank)

is $p^4$ or is it $x^4$