Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 50(1500-4x^2+40x)+160x(x-10) <72000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        50 * ( 1500 - 4 * x ^ 2 + 40 * x ) + 160 * x * ( x - 10 ) <72000         (1)

---

    From inequality(1)：
         x < -5 或  x ＞ 15

---

    The final solution set is :
         x < -5 或  x ＞ 15

Your problem has not been solved here? Please take a look at the  hot problems ！