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

$\frac{x+4}{x}-2$

$10-6\cdot3\cdot4$

$\left(-6\right)-\left(-17\right)$

$\frac{d}{dx}3y^3-xy=4$

$\left(1+\cot\left(x\right)\right)\left(1-\cot\left(x\right)\right)\csc\left(x\right)^2$

$10\sqrt{\left(x+h\right)+5}-\left(10\sqrt{x+5}\right)$