(x-3)^3=-27求x怎么解
问题描述:
(x-3)^3=-27求x怎么解
答
(x-3)³=27
(x-3)³=3³
x-3=3
∴x=6
(x-3)^3=-27求x怎么解
(x-3)³=27
(x-3)³=3³
x-3=3
∴x=6