$-5+\:-c\:=-10$

$dy=\left(10x+7\right)dx$

$\frac{3x^2}{x+2}$

$4\left(k+9\right)$

$\frac{1+\sin\left(x\right)-\cos\left(x\right)}{1+\sin\left(x\right)+\cos\left(x\right)}=\frac{\sin\left(x\right)}{1+\cos\left(x\right)}$

$\int_0^116x^3ln\left(x\right)dx$

$\lim_{t\to0}\left(\frac{e^{5t}}{t}\right)$