Question

If p=2,q=-3 find p²-q²

Answer 1

Step-by-step explanation:

$- 5$

is the answer

$2 {}^{2} - ( - 3) {}^{2} \\ \\ 4 - 9 \\ \\ - 5$

Answer 2

Step-by-step explanation:

a²-b²=(a+b) (a-b)

p²-q²=(p+q) (p-q)

2²-3³=(2+3) (2-3)

=5×-1

=-5