$2x^2-\sqrt[2]{72x}+9$

$-1\left(x-2\right)^2+4$

$\left(10t^3+9\right)\left(3t^3-5\right)$

$\lim_{x\to0}\left(\frac{\left(2^{\left(\frac{1}{x}\right)}-1\right)}{\left(\frac{1}{x}\right)}\right)$

$\int x^5\left(1-x^2\right)dx$

$\left(-8a+2\right)+\left(-5a-3\right)$

$70>y+40$