3n-1=2(n+1)
solve 20=4(2+w)
-1/8.55E-4ln[-ln(0.3046)]=
x(x-5)(x-3)
4(x+2)=x+1
7f+ 3g - 5f + 4g
x(X-5)(x-3)
logx=3log2
33700-(-)4100
$$\int(12t^3*e^4t) dt$$