The conversation between human and AI assistant.
[|Human|] Rewrite the following equation in expanded form.
[|AI|] In expanded form, the equation (x + 3)(2x - 5) can be rewritten as 2x^2 - 5x + 6x - 15. Combining like terms, we get 2x^2 + x - 15.
[|Human|] 
Rewrite the following equation in expanded form.