4(x+2)=x+1
7f+ 3g - 5f + 4g
x(X-5)(x-3)
logx=3log2
33700-(-)4100
$$\int(12t^3*e^4t) dt$$
y(x+y) dx+(x+2y+1) dy=0
2d + 5f + 8d + 6f
y(x+y) dx+(x+2y+1) dy=0nonexatc eqution