$28y^{10}+32y^9-24y^8$

$\lim_{x\to0}\left(\frac{\left(5+x\right)^{0.5}-5^{0.5}}{x}\right)$

$\left(8+\left(-5\right)\right)\cdot\left(\left(-1\right)+9\right)$

$-36\cdot116$

$\left(x^2-2\right)\left(x+3\right)+\left(2x+1\right)\left(x-3\right)$

$\frac{x^2-4^2}{x+2}$

$\left(a+b\right)\left(x^4+a^2b^2+b^4\right)$