$5w-17w+6w-12m-3m$

$\frac{5x^2+19x+15}{x+3}$

$\left(x+y^2\right)^6\cdot4x$

$\int_0^{0.25}\left(e^{x^2}\right)dx$

$b^2-2b^2+b^2$

$\left(1-\cos\left(\theta\right)\right)\left(1+sec\left(\theta\right)\right)=sin\left(\theta\right)tan\left(\theta\right)$

$\lim_{x\to16}\left(\frac{\frac{1}{\sqrt{x}}-\frac{1}{4}}{16-x}\right)$