$\left|150-\left(23-3\right)\right|\left|2+\left(\left(5\right)\left(2\right)-2\right)\right|-13+\left(4-\left(5\right)\left(2\right)\right)$

$\frac{8x^3-5x^2-5x}{3-7x-9x^3}$

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

$\frac{\tan^2\left(x\right)}{1+\left(\sec\left(x\right)\right)}=\sec\left(x\right)-1$

$-10+x-3y+4x-9x+y-2$

$p^2-49$

$48x^2+52xy-30y^2$