$-16\left(5-6-3+8-1+3\right)+9$

$\int\frac{2x-1}{\left(x+4\right)\left(x-4\right)\left(x+3\right)}dx$

$\csc\left(x\right)\sec\left(x\right)-\cos\left(x\right)$

$4\cdot3-\sqrt{49}+1$

$y=ln\left(x^2\right)$

$10.7v^3w^2-12.3v^3w^2$

$\int\frac{\left(9x^2-9x+27\right)}{x^3-27}dx$