5.5 The Substitution Rule/13

Failed to parse (Conversion error. Server ("https://en.wikipedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle \int {\frac {dx}{5-3x}}{\text{,}}\quad u=5-3x}

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \begin{align} u &=5-3x \\[2ex] du &=-3dx \\[2ex] -\frac{1}{3}du &=dx \\[4ex] \end{align} }