$b=a^{2}-2a+\frac{a}{9}$

$\lim_{x\to0}\left(\frac{2-2\cos\left(x\right)}{\sin\left(4\right)x}\right)$

$\left(\frac{w}{4}+8\right)\left(\frac{w}{4}+1\right)$

$\left(7m-6\right)\left(m-5\right)$

$\left(u-6\right)\left(3u-2\right)$

$\int\frac{x^2}{\left(x^3+1\right)^2}dx$

$\int_0^{12}\left(10xe^{-1.01x}\right)dx$