$x^0y^2$

$\frac{\left(-6x^3-8x^2-13\:+6x^4\right)}{\left(2x-2\right)}$

$8=\frac{2\left(1+x\right)-40}{25}$

$x\le3x+2$

$\frac{\tan\left(x\right).\sec\left(x\right)}{\csc\left(x\right)^2.\sin\left(x\right)}$

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

$\frac{x^5-x^4+x^2-3}{x^2+1}$