$\lim_{t\to-1}\left(\frac{t^2+t}{\sqrt[3]{2t+1}+\sqrt[3]{t+2}}\right)$

$\int_{14}^2\left(x\right)dx$

$\left(\frac{\left(27\right)\left(-1\right)x^6}{125a^3b^9}\right)^{\frac{1}{3}}$

$\lim_{x\to3}\left(\frac{x^2-3x}{12-x+x^2}\right)$

$\frac{16x^2-24xy+9y^2}{4x-3y}$

$36\sqrt{4}$

$3x+8\:2x$