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The concept of factorization
Definition of factorization factor: transforming a polynomial into the product of several simplest algebraic expressions is called factorization of the polynomial, also known as factorization factor.

Factorization method: 1, common factor extraction method,

2. Using the multiplication formula method,

3. cross multiplication,

4. Find the root of a quadratic equation with one variable by formula method,

5. Grouping decomposition method.