x^3+12.32x^2-21.82x-54.24=0 解方程
问题描述:
x^3+12.32x^2-21.82x-54.24=0 解方程
答
x1=-13.628992485006335444578262273072
x2=-1.4450552787436082864458698773217
x3=2.7540477637499437310241321503933