$\left(x^4+x^2+2x+2\right)entre\:x+1$

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

$\int_0^{\frac{\pi}{2}}5\left(\sin\left(x\right)\right)^{\frac{3}{2}}\cos\left(x\right)dx$

$\frac{x^{-2}x^8y^2}{y^4}$

$-2x-3>7$

$\left[t+3u-4v\right]^2$

$\frac{1}{6}k^2+\frac{1}{3}k^2-\frac{2}{3}k^2+\frac{4}{6}k^2$