Home/Calculus II/Substitution method/ProcedureSection 4.1ProcedureChoose an inner expression u=g(x)u=g(x)u=g(x).Compute du=g′(x) dxdu=g'(x)\,dxdu=g′(x)dx.Rewrite all the integrand in terms of uuu.Integrate with respect to uuu.Return to the original variable in an indefinite integral.