$\frac{\left(2x^3-7x^2-3x+2\right)}{x-4}$

$\left(-14m^4n^2\right)\left(8m^5n^3\right)\left(mn\right)$

$\lim_{x\to\infty}\left(\frac{\log\left(x\right)}{\sqrt[7]{x}}\right)$

$y-u\:para\:y=7$

$9y^5\:9$

$\frac{35x^4y^2}{15x^6y^{-4}}$

$26\sin\left(x\right).\cos\left(x\right)-6\sin\left(x\right)=7$