$\left(12a^2g^5-rs^4\right)^2$

$\lim_{x\to0}\left(\frac{tanx-x}{cosx-x}\right)$

$\frac{d^2r}{dt^2}=0$

$y=x\left(2x-3\right)\left(2x+3\right)$

$\left(\frac{\cos\left(b\right)\sec\left(b\right)}{\cot\left(b\right)}\right)\left(1-\sin^2\left(b\right)\right)$

$\lim_{x\to2}\left(\frac{2x^2-11x+14}{4x^2-16x+16}\right)$

$log4w\left(v+7\right)$