含字母系数的一元二次方程有整数根时求参数的值,这类题是近几年中考的常见题型,也是学习的难点,以下提供三种解法,供大家参考. The quadratic equation with the letter coefficient has the value of the parameter when there is an integer root. This kind of question is a common question type in the middle school entrance examination in recent years, and it is also a learning difficulty. The following three solutions are provided for your reference.