Beaucoup ratent cette inéquation du second degré

In this video, we solve a quadratic inequality step by step using the sign chart method. We're working with: -2x² + 5x + 3 ≥ 0 The goal isn't just to find the solutions, but to understand the complete method: ✅ how to find the roots ✅ how to use the discriminant ✅ how to construct the sign chart ✅ how to determine where the expression is positive ✅ how to avoid common mistakes with signs This type of exercise is very important in algebra, in upper secondary school, and for students preparing for a science entrance exam. ━━━━━━━━━━━━━━━ 🚀 Are you preparing for the Polytech entrance exam? At PolyPrépa, we offer: ✅ a comprehensive program including: analysis trigonometry algebra geometry 🔥 We also offer an intensive course with: past exams with solutions interactive sessions support leading up to the exam group work 📩 To join the intensive course: → send us a message on Instagram. ━━━━━━━━━━━━━━━ 📘 Join the PolyPrépa platform: 👉 https://www.skool.com/poly-prepa-1714... 📸 Instagram: 👉 https://www.instagram.com/polyprepa.p... 🎵 TikTok: 👉 https://www.tiktok.com/@polyprepa?_r=... ━━━━━━━━━━━━━━━ #maths #inequation #algebra #tabledesigns #polytech #entranceexamination #polyprepa