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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -2x²+72x+320 ≥870 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -2 * x ^ 2 + 72 * x + 320 ≥870         (1)

---

    From inequality(1)：
         11 ≤ x ≤ 25

---

    The final solution set is :
         11 ≤ x ≤ 25

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