Đáp án+Giải thích các bước giải:
`x^2+4xy+4y^2+x^3+2x^2y`
`=4y^2+2x^2y+2xy+2xy+x^3+x^2`
`=2y(2y+x^2+x)+x(2y+x^2+x)`
`=(2y+x)(2y+x^2+x)`
Giải thích các bước giải:
`x^2 + 4xy + 4y^2 + x^3 + 2x^2y`
`= x^2 + 2 . x . 2y + (2y)^2 + x^2(x + 2y)`
`= (x + 2y)^2 + x^2(x + 2y)`
`= (x + 2y)(x + 2y + x^2)`
giúp mik với , mik cần gấp trong vòng 15p nữa . hứa sẽ vote đầy đủ X Fill the blanks with correct preposition 1We were very grateful_______ our friends ------------ all of their assistance. 2 Her parents are very pleased_________ her French. 3 I’m bit short_________ money. Can you lend me some? 4 I was delighted___________ the present you gave me. 5 Mr. Green is responsible ____hiring employees. 6 The plane took ________ very quickly. 7 Anne’s leaving ________ London tomorrow morning. 8 This cake is made ______ flour, eggs, milk, salt and button 9 Nam should work harder ____his English pronunciation 10 A final search _____ evidence at the scene of the crime proved fruitless. 11 These yoghurts are free _______ artificial coloring. 12 The well-known businessman was sentenced ______ three years in jail for fraud. 13 We have spent a fortune ______ our new house, but I think it was worth it. 14 The difference ______ price for the same product can vary considerably from the store to store. 15 the travel book will be useful ________ our trip to Paris at the end of the month. 16 This brochure will be useful ________ all the tourists who visit the sights. 17. While looking for a reference book, I came _____ an old letter from my friend 15 years ago. 18 The match kicked _______ at 5 and has not finished. A. at B. off C. on D. in
Anh chị giải giúp em 2 câu toán này với ạ. Em cảm ơn !
1.tìm x để x^3-2x-4 chia hết cho x-1
Mọi người giúp mình với chỉ cần ghi đáp án thôi Mình cần gấp
Cho hình vuông ABCD cạnh a .độ dài vecto AB - AC + BD bằng A: a. B: 3a. C: a√2. D: 2a√2 Trình bày rồi chọn đáp án đúng
Cách zoom tranh trên Medibang Paint Pro ạ ._.
i told Jermy u don't move while i took his photograp tìm lỗi sai trong câu trên và sửa
Hiện nay tổng số tuổi của hai bố con là 60 tuổi. Biết 6 năm trước tuổi bố gấp 11 lần tuổi con. Tính tuổi bố hiện nay.
giúp vs ạ, ai đầu tiên đc 5 sao+ctlhn
Help me,cần gấp lắm ạ. You have received this email from your English-speaking friend, Kim. It's really kind of you to let me stay at your flat while you're on holiday. Please could you let me know how to get the keys? And could you also tell me anything else I need to know about the flat and whether there's anywhere near that I can buy food? Thanks, Kim Write your email. Write your answer in 140-190 words in an appropriate style.
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