$\left(8ab+8a\right)$

$x+2y+3x-5y-y-yx+3x-2y-2+-2+x+3y+2$

$9y^8-6y^4+1$

$\lim_{x\to-\infty}\left(x^2e^{8x}\right)$

$y'=\cos\left(x\right)\tan\left(y\right)$

$\lim_{x\to-3}\left(\frac{8x+24}{x+3}\right)$

$\left(-6\right)\cdot\left(\left(-8\right)-\left(-11\right)\right)$