$\int_2^4\:x^{14}dx$

$\int\left(\frac{4x^2+x+3}{\left(x^2+3\right)\left(x-9\right)}\right)dx$

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

$\left(2\left(-1.70\right)+3\right)$

$3^3+4\left(3\right)\:+2\left(3\right)-1$

$5\sqrt{12}\cdot3\sqrt{75}$

$\lim_{x\to-1}\left(3\left(x+2\right)\right)\left(x+1\right)$