求翻译：韦达定理是初等数学中的重要内容，它揭示了一元二次方程根与系数关系。利用多项式理论将其推广到一元n次方程中，并探讨其简单应用。由于韦达定理揭示了方程的根与系数间的联系。因此，凡是可归结为讨论一元二次方程根的数值问题，通常都可用韦达定理来解决。多项式理论是高等代数的重要内容，在数学（特别是初等代数）中有着广泛的应用，特别是根与系数的关系，即韦达定理，利用它可以进一步讨论方程根的性质，也可以把一些表面上不是一元二次方程的问题转化为一元二次方程来讨论。是什么意思？

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By axioms in Primary Mathematics is important, and it reveals a $2 equations with coefficients. With the assistance of various theories will be extended to n times a million in an equation, and to explore its simple application. By axioms because the equations reveal the root with the factor. Theref

Viète's formulas are important elements of elementary mathematics, it reveals the relationship between roots and coefficients of a quadratic equation. Using the theory of polynomials to promote it to a $ n in the equation, and its simple application. Because of Viète's formulas reveal a relationship