$\frac{\left(2x+2\right)\left(x+2\right)}{2}$

$40.375+26.5625+0.125+0.514285$

$342+\left(-125\right)-\left(-239\right)-\left(+145\right)-750$

$\frac{8\left(\sqrt{3}\sqrt{x}+24\right)}{3},\:x=27$

$4x^2y^3+x^2y^3-5x^2y^3-5x^2y^3-2x^2y^3$

$\lim_{x\to0}\left(\frac{xsin\left(x^{\frac{1}{2}}\right)}{x^{\frac{3}{2}}}\right)$

$m^8-\frac{4}{4}m^4$