Các bn giúp mình bài 2 nhé!!!!

Tìm x 2x^2+4x+1=-1

Tìm x x^2+4x+3=-1

Cho mk hỏi Cấu trúc của ai thích gì hơn ai ? Công thức lèm ví dụ !

Fill in each gap with a suitable preposition Some styles never go _______ fashion

Rewrite the following sentences without changing original meaning. Use the right comparative form of the adverbs in bracket 1, The Eagle team performed more successfully than the Lion team (successfully) => The Lion team ....................... 2, In the countryside, children play more freely than in the city(freely) =>In the city, children ....................... 3, Our gers are now better equipped than in the past ( badly) => In the past, our gers............................. 4, A sports car goes faster than an ordinary car(slowly) =>An ordinary car goes............. 5, A business person travels more expensively than a tourist ( cheaply) => A tourist travels................

cho A ( 4;-1 ) ; B ( -2 : -4 ) ; C ( -2;2 ) hoành độ điểm D thuộc trục hoành sao cho AB//CD

viết các phần tử sau bằng cách liệt kê A = { x ∈ N ║18< x<21 } B = {x ∈ N* ║ x<4} C = {x ∈ N ║ 35 ≤x ≤

Cho A (4;-1 ) ; B (-2; -4 ) : C ( -3;8 ) hoành độ điểm I để AI + 2 BI + 3 CI =0

She was dressed ______ in shorts and a T-shirt (casual)