$2m^2-7m+3$

$\int_{-1}^1\left(\frac{sinx}{x}\right)dx$

$6x^2+3xy$

$\frac{dy}{dx}+e^{5x-7y}=0$

$\lim_{x\to0}\left(\frac{ln\left(1000x\right)}{ln\left(x\right)}\right)$

$\int\frac{sinx+2}{3cosx}dx$

$\int\frac{\left(3+\sin\left(4x\right)\right)}{\sin\left(4x\right)}dx$