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数学思导 - Coggle Diagram

- - - - If a bracket is preceded by a plus sign, remove it by
        writing its terms as they are.
      - If a bracket is preceded by a minus sign, change positive signs within it to negative and vice-versa.
  - - - Step1: Multiply all terms of one polynomial by each term of the other polynomial.
      - Step2: Add all the products.
  - - - A monomial is a product of a number and one or more variables with non-negative integer exponents. ESP. A number or a variable is also a monomial.
      - The numerical factor is called coefficient.
  - - - •When a number times a letter, the multiplication sign can be removed. But the number must be put in front.
      - •If the number is a mixed fraction, it must be turned into an improper fraction.
      - •Usually a division is written as a fraction.
  - - - Step1: Multiply the coefficients.
      - Step2: Multiply powers with same base.
      - Step3: Simplify.
    - - Step0: Power of product.
      - Step1: Multiply the coefficients.
      - Step2: Multiply powers with same base. Step3: Simplify.
    - - step2: Add all the products.
      - step1: Multiply all terms of the polynomial by the monomial. (Multiply coefficients and powers with the same base)