$\frac{dy}{dx}=2\cos5x$

$-2\cdot\left(3-6\right)-5\cdot\left(6-10\right)$

$3-\left|-2+11-\left(4-15-7\right)\right|-2+\left|-3-\left(5-26-1\right)+2\right|$

$135+\left(5\left(7-4\right)^2\right)$

$\left(w+11\right)\left(w-11\right)$

$x^2-\frac{1}{6}x$

$\frac{9b^3}{11b^1}$