Answer:
decrease the demand for good A.
Explanation:
Under the cross price elasticity of demand, there are two goods i.e substitute goods and the complementary goods.
The substitute goods shows the positive relation between the price of good B and the demand of good A. That means if the price of good B decreases. then the demand of good A is decreases and vice versa
Whereas, in the case of complimentary goods, it shows a negative relation between the price of good B and the demand of good A. That means if the price of good B decreases. then the demand of good A is increases and vice versa