Answer:
9p^2-p^2q^2-36+4q^2=24pq
Explanation:
multiply the parentheses
multiply the term in the first ( ) by each term in the second ( ) (FOIL)
9p^2-p^2q^2-4x9-4x(-q^2)=24pq
Multiply the numbers (multiplying two negatives = a positive )
9p^2-p^2q^2-36=4q^2+24pq
Hope that helps