½X³+12X²-20X-116=0
问题描述:
½X³+12X²-20X-116=0
答
x = -25.2212
x = -2.48315
x = 3.7044
½X³+12X²-20X-116=0
x = -25.2212
x = -2.48315
x = 3.7044