Formules mathématiques qui débordent dans la marge

\documentclass[11pt,a4paper,french]{article}
\usepackage[french]{babel}
\usepackage[utf8]{inputenc}

\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{mathtools}
\usepackage{amsthm}
\usepackage{stmaryrd}
\usepackage{mathrsfs}
\usepackage[a4paper]{geometry}
\usepackage{babel}
\usepackage{color}
\usepackage{xcolor}
\usepackage{enumitem}
\usepackage{pifont}
\usepackage{titlesec}
\usepackage{fix-cm}
\usepackage{setspace}
\usepackage{csquotes}
\usepackage[backend=biber]{biblatex}
\usepackage[nottoc]{tocbibind}
\usepackage{geometry}

\documentclass[french, 11pt, a4paper]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{lmodern}
\usepackage[a4paper, top=2cm, left=2.5cm, right=2.5cm, bottom=2cm]{geometry}

\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsthm}

\usepackage{mathtools}
\usepackage{stmaryrd}
\usepackage{systeme}
\usepackage{tdsfrmath}
\usepackage{cases}

\usepackage{csquotes}
\usepackage{parskip}
\usepackage{enumitem}

\usepackage{biblatex}

\usepackage{nth}

\usepackage{fix-cm}
\usepackage{setspace}
\usepackage{geometry}

\usepackage[french]{babel}

\usepackage[colorlinks=true]{hyperref}
\usepackage{bookmark}

\usepackage{glossaries}

\usepackage{varioref}
\usepackage{cleveref}