(x^2-6x+9)÷x^2-9x+18⼀x+3

数学题目啊
2025-03-07 10:54:25
推荐回答(1个)
回答1:

(x^2-6x+9)÷x^2-9x+18/x+3
=(x-3)^2÷(x+3)(x-3)+18/(x+3)
=(x-3)/(x+3)+18/(x+3)
=(x+15)/(x+3)