tìm k để hai phương trình sau tương đương: ( 2x + 1 )( x^2 + 4x + 5) = 0 ; 5x + 3k = k^2 + 10k - 5/2

Các câu hỏi liên quan

IV. viết lại câu 1. My hair now is much longer than that in the past. 🡪 In the past my hair used…………………………………………………………... 2. Mary doesn’t work in this company any more. 🡪 Mary used………………………………………………………………………… 3. Despite my hurt foot, I managed to walk to the nearest village. 🡪 Although………………………………………………………………………….. 4. Although he overslept, Mike wasn’t late for work. 🡪 In spite of…………………………………………………………………………. 5. Who owns the dog barking outside? 🡪 Whose…………………………………………………………………………….? 6. What is the distance between Kon Tum and Gia Lai? 🡪 How………………………………………………………………………………? 7. Is it possible to travel to Alaska by plane? 🡪 Can……………………………………………………………………………….? 8. They found this story exciting. 🡪 They were…………………………………………………………………………. 9. I am interested in your plan. 🡪 I found…………………………………………………………………………….. 10. My father no longer smokes a lot. 🡪 My father used……………………………………………………………………. ......................................................................................................................