Question

计算： (15axⁿ⁺²－9a²x²ⁿ+6a³x³ⁿ)÷3axⁿ

Answer 1

答案：
解析：

解： (15axn+2－9a2x2n+6a3x3n)÷3axn =15axn+2÷3axn+(－9a2x2n)÷3axn+6a3x3n÷3axn =5x2－3axn+2a2x2n;