$\int_{-\pi}^{\pi}\left(\cos\left(3x\right)\sin\left(4x\right)\right)dx$

$3x+x+1=53$

$25x^2+40x-27$

$5x^4\cdot2$

$\frac{sinx+cosx}{\frac{cosx}{1+\frac{cosx}{sinx}}}$

$\frac{\log\left(a\right)-3\log\left(b\right)+2\log\left(c\right)}{\log\left(a\right)}$

$xdy+ydx+xy\left(dx+dy\right)$