$p+15<30$

$\frac{dy}{dx}=\frac{x\left(y^{2}+1\right)}{\left(x^{2}-1\right)y}$

$\frac{\cos\left(x\right)-\sin\left(x\right)^2}{\sin\left(x\right)}$

$2x^2+4x-16$

$3x^2+12x-13>0$

$\int-5xe^{-x}dx$

$8\left(\sin\left(x\right)\right)^4-8\left(\sin\left(x\right)\right)^2+1=0$