$\frac{dy}{dx}=2xy-8x$

$\left(3m^4-5m^6\right)^2$

$4cos\left(5x\right)=\frac{\sin\left(7x\right)-\sin\left(3x\right)}{\sin\left(x\right)\cos\left(x\right)}$

$2x+2\ge-3x+22$

$2x^2+3y^3=100$

$\lim_{x\to\infty}\left(\frac{3x+4}{ln\left(2+4e^x\right)}\right)$

$\frac{\left(x^2\right)}{x^2-6x+10}$