题目

$15 x^{2} + 77 x + 24 =$ $15 x^{2} + 46 x + 24 =$ $15 x^{2} + 39 x + 24 =$ $15 x^{2} + 38 x + 24 =$ $15 x^{2} + 67 x - 24 =$ $15 x^{2} + 26 x - 24 =$ $15 x^{2} + 9 x - 24 =$ $15 x^{2} - 2 x - 24 =$ ——关联： 📝因式分解③十字相乘 ——链接：〚250927-2〛💯