Résoudre x³ - 300x = 3000 - Test d'admission à OXFORD

🎓 BECOME A MATH BEST - From 6th grade to 12th grade, discover THE method for success 👉 https://hedacademy.fr/ 📚 OUR BOOKS and REFILLS - To prepare for the Brevet and Baccalaureate exams with complete peace of mind 👉 https://hedacademy.fr/#section_172224... BUT ALSO: 💯 BECOME A MENTAL MATH EXPERT 👉 https://hedashop.fr/products/nos-70-s... 🧠 STRENGTHEN YOUR BRAIN - To boost your mental agility every day 👉 https://hedacademy.fr/bundle/muscle-t... OUR FREE EBOOK: 📔 THE PARENT'S NOTEBOOK. All our tips and methods to help your child succeed in math! 👉 https://hedacademy.fr/quick-ebook-mag... New question from the MAT, the entrance exam for Oxford and two other English universities: Warwick and Imperial College London. The equation x³ - 300x = 3000 has: (a) no real solutions (b) one real solution (c) two real solutions (d) three real solutions (e) infinitely many real solutions