$\int\left(\frac{x^2}{\left(3+4x-x^2\right)^{\frac{3}{2}}}\right)dx$

$8x^3y^2+4x^3$

$4x^3+3x+7$

$\frac{dy\:}{dx}ln\left(sin\left(3x\right)^{-7x}\right)$

$\left(1+2\sin\left(x\right)\right)\left(\cos\left(x\right)-1\right)=0$

$2h+3h^2-4g^4+5f^2+11g^4-4h+f^2$

$sec41\cdot\:\:sec4\cdot\:\left(cos37+sec45\cdot\:\:sen30\right)$