$5.75-0.072$

$5\left(x-2\right)-2\left(2x-6\right)=3\left(x+1\right)-3\left(2x+3\right)$

$x\left(x+1\right)\left(x+2\right)\left(x+3\right)-2\sqrt{5}$

$\left(x^4\right)\left(\frac{1}{x}\right)$

$\int x^2\left(1+2x^{\frac{3}{2}}\right)^{\frac{2}{3}}dx$

$[\frac{\left(2x+1\right)^{3}}{\left(x-4\right)}]$

$9a^3+6a-20-11a^3$