Simplify the followin expression and find its value when p=3 and p=-3

4(p²-pq-q²)-5=9pq-2q²

1)Simplify the following expression and find its value when p = 3, q = - 3; 4(p2 – pq + q2 ) – 5 + 9pq – 2q2 2)The teacher tells the class that the highest marks obtained by the