I) Quadratic Equations and Inequalities

Here are the step-by-step solutions to your homework problems.

---

I) Quadratic Equations and Inequalities

I.1) Résoudre dans $\mathbb{R}$ l'équation : $2x^2 - 7x + 3 = 0$
This is a quadratic equation $ax^2 + bx + c = 0$ with $a=2$, $b=-7$, $c=3$.