$-\left(-10+2\right)+50.\left(-25\right)-18$

$7tan\left(x\right)=0$

$\int12x\left(x^2-3\right)^3dx$

$\int ape^{-kp}\:dp$

$722-135-102$

$\int\frac{1}{\left(x^2+4\right)\left(x+2\right)\left(x^2+1\right)}dx$

$\left(\frac{x^3}{3}-\frac{1}{3}x-\frac{1}{9}\right)e^{3x+c}+c$