$\left(6x\right)+\left(12\right)^2$

$\lim_{x\to0}\left(\frac{sin\left(x\right)-tan\left(x\right)}{e^x+e^{-x}-2}\right)$

$\frac{dy}{dx}=e^x+y$

$\int\frac{10x^5-10x^2-2x-8}{x^{\frac{1}{4}}}dx$

$\left(7g^2+1\right)\left(5g^2-3\right)$

$\sin\left(2a\right)=\cos\left(a\right)$

$\int\frac{5x^2+6x+1}{x+1}dx$