$\left(y^3z^2+5\right)^2$

$\left(x-y\right)dx\:=-\left(x+y\right)dy$

$x^3+y^3=6$

$\sin\left(x\right)\cdot\cos\left(y\right)+\cos\left(x\right)\cdot\sin\left(y\right)=\frac{1}{2}$

$\int\frac{1}{\left(x+1\right)x\left(x+12\right)}dx$

$\left(2x-3\right)^2-3\left(x+4\right)<3x^2-3x-14$

$2x^4y^2+6x^3y-8x^2+4x$