[(x+1)(x+2)-2]⼀x等于多少,怎么算的

2025-06-20 08:12:13
推荐回答(2个)
回答1:

展开
=(x^2+3x+2-2)/x
=(x^2+3x)/x
因式分解,提x
=x(x+3)/x
约简
=x+3

回答2:

[(x+1)(x+2)-2]/x
=(x*x+3x )/x
=x+3