英语语法分析

By 1545, Gerolamo Cardano compiled the works related to the quadratic equations.

到1545年，卡达诺编写了有关二次方程的著作。

You will get two solutions; it's a quadratic equation.

得到两个解，这是二次方程。

The quadratic equation may have instilled horror in many of us.

对很多人来说，二次方程是很恐怖的。