$x^2+18x+56$

$\left(6x^{10}\right)\left(4x^4\right)^2$

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

$\lim_{x\to0}\frac{\sin\left(9x\right)}{1+\tan\left(7x\right)}$

$\left(25\cdot900\right)\left(25+900\right)$

$\frac{d}{dx}3^{x^9}$

$\left(4y^4+14y^3+15y-6\right)\cdot\left(2y^2+8y+2\right)$