$\lim_{x\to0}\left(\frac{1-\cos\left(x^2\right)}{x^2\sin\left(x^2\right)}\right)$

$\left(5x+5\right)^2$

$\lim_{x\to0}\left(\frac{\left(2^{\left(\frac{1}{x}\right)}-1\right)}{\left(\frac{1}{x}\right)}\right)$

$192x^2=28x+1$

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

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

$\frac{dy}{dx}\left(x^2+y^2=y^4-2x\right)$