5^(x-6) · 125^x = 25^(x-1)5^(x-6) · 5^(3x) = 5^(2x-2)x-6 + 3x = 2x-2, 2x = 4, x = 2
x^6-1=(x³+1)(x³-1)=(x+1)(x²-x+1)(x-1)(x²+x+1)行家正解，不明白可以追问！祝您学习进步满意请点击下面的【选为满意回答】按钮，O(∩_∩)O谢谢
