5) p2 +3p - 4
Factoring

(p−1)(p+4)

Hope this helps

(p-1)(p+4)

Step-by-step explanation:

Break the expression into groups:

(p^2-p)+(4p-4)

factor out p from p^2-p:

p(p-1)

factor out 4 from 4p-4:

4(p-1)

p(p-1)+4(p-1)

factor out common term p-1

(p-1)(p+4)

i believe the answer is the polygon, heptagon.