The conversation between human and AI assistant.
[|Human|] Evaluate the following expression: (2x-3)2
[|AI|] In order to evaluate the expression, we need to know the value of x. Without the value of x, the expression (2x-3)^2 cannot be fully evaluated. Could you please provide the value of x.
[|Human|] 
Evaluate the following expression: (2x-3)2