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  1. 다항식의 계산(Calculation of Polynomial)
    1. $m(a+b)=ma+mb$
    2. $(a+b)(c+d)=ab+ac+bc+bd$
    3. $(a+b)^2=a^2+2ab+b^2$
    4. $(a-b)^2=a^2-2ab+b^2$
    5. $(a+b)(a-b)=a^2-b^2$
    6. $(x+a)(x+b)=x^2+(a+b)x+ab$
    7. (a+b)^3=a^3+3a^2 b+3ab^2+b^3
    8. (a-b)^3 = a^3-3a^2 b+3ab^2-b^3
    9. Notice
    10. Thank you!

다항식의 계산(Calculation of Polynomial)

Author:민은기 (Min Eun Gi)
Topic:Addition
다항식의 계산(Calculation of Polynomial) https://min7014.github.io/math20190819004.html

  • $m(a+b)=ma+mb$

  • $(a+b)(c+d)=ab+ac+bc+bd$

  • $(a+b)^2=a^2+2ab+b^2$

  • $(a-b)^2=a^2-2ab+b^2$

  • $(a+b)(a-b)=a^2-b^2$

  • $(x+a)(x+b)=x^2+(a+b)x+ab$

  • (a+b)^3=a^3+3a^2 b+3ab^2+b^3

  • (a-b)^3 = a^3-3a^2 b+3ab^2-b^3

  • Notice

  • Thank you!

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$m(a+b)=ma+mb$

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