1. Rút gọn các biểu thức sau: a. A = 1002 - 992+ 982 - 972 + ... + 22 - 12 b. B = 3(22 + 1) (24 + 1) ... (264 + 1) + 12 c. C = (a + b + c)2 + (a + b - c)2 - 2(a + b)2 //22 là 2bình phương 264 là 2 bình 64//

(x+y)^3-x^3-y^3 phân tích đa thức thành nt

Phân tích đa thức thành nhân tử em cần gấp lắm ạ!!! Gíup em với

Complete the sentence with the words in the box. acquaintances mutual give-and-take loyal incapable selfish friendship intimate emotional constancy trust sympathy 1. I have a lot of ________ at work but I don't have any real friends. 2. Despite differences in background and outlook, their partnership is based on _______ respect, trust and understanding. 3. Our relationship can not last longer because he seems to be very __________. He only thinks about himself. 4. I met her at the school opening in 1990. We have been _________ friends since then. 5. To keep a friendship, you can not always resist on your own way - there has to be some _________. 6. When all her other friends deserted her, Steve remained _________. 7. She is a brilliant mathematician, but as a lecturer, she is totally __________. 8. What do you know about a true _________? And what does it tell you? 9. You can _______ Jack to look after the money. He's completely honest. 10. The ________ of your love for Indian food really amazes me. 11. They really want to send my warm _______ to the people who lost their relatives in the earthquake on December 13th . 12. That song is so ___________. It always brings a tear to my eye.

Phân tích đa thức thành nhân tử Em đang cần gấp trước 9h giúp e vs huhu

Làm và giải thích giúp em gấp ạ.cảm ơn ạ

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x^3+1-x^2-x phân tích đa thức thành nhân tử

lam dc cau nao thi lam giup toi vs

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