Here, A × B = {(–2, 3), (–2, 4), (0, 4), (3, 3), (3, 4)}

To find: A and B

Clearly, A is the set of all first entries in ordered pairs in A × B

∴ A = {-2, 0, 3}

and B is the set of all second entries in ordered pairs in A × B

∴ B = {3, 4}