题目

完成以下因式分解： $15 x^{2} - 9 x - 24 =$ $15 x^{2} + 18 x - 24 =$ $15 x^{2} + 37 x - 24 =$ $15 x^{2} + 54 x - 24 =$ $15 x^{2} - 39 x + 24 =$ $15 x^{2} - 42 x + 24 =$ $15 x^{2} - 53 x + 24 =$ $15 x^{2} - 66 x + 24 =$ ——关联： 📝因式分解③十字相乘 ——链接：〚250927-2〛💯