Make a substitution to express the integrand as a rational function and then evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.) x-7x+12 Need Help? Read It dx -1 Points] DETAILS Make a substitution to express the integrand as a rational function and then evaluate the integral. (Use C for the constant of integration.) dx 4 + ex SCALCET9 7.4.055.