Find the derivative of the next function using the implicit method: x^2 sin(x+y)-5 y e^x​​​​​​​=0

Using the implicit form derivative rule: y'=-F_x' / F_y' :

y'=-(2 x sin(x+y)+x² cos(x+y)-5 y e^x) / (x² cos(x+y)-5 e^x)