因式分解计算(x的平方-1/9)/(3x-1)

4个回答

(x^2-1/9)/(3x-1)
=(x+1/3)(x-1/3)/(3x-1)
=(x+1/3)(x-1/3)/3(x-1/3)
=(x+1/3)/3
=x/3+1/9