$\left(7x+7y\right)^2$

$\left(6mn^4\right)\left(3m^5p\right)$

$\frac{dy}{dx}x^2=\sqrt{y}\left(8x+5\right)$

$\lim_{x\to0}\left(1+5\cdot x\right)^{\frac{1}{\sin\left(x\right)}}$

$\frac{dy}{dx}=\frac{x^2y+6y^3}{x^3+y^2x}$

$\frac{x+3}{x-2}\ge2$

$\frac{3s+15}{\left(s-3\right)\left(s+1\right)\left(s^2+6\right)}$