在代数课上，我们学习了如何将多项式分解为更简单的因式。

In algebra class, we learned how to perform ___factorization of polynomials into simpler factors.

QR分解是线性代数中一种重要的矩阵分解方法。

QR ___factorization is an important method for decomposing matrices in linear algebra.

矩阵分解技术可以帮我们识别用户偏好模式。

Matrix ___factorization helps us identify patterns in user preferences.