$\int\left(\left(\frac{1}{\sqrt{7s+3}}\right)\right)ds$

$\left(413-7a\right)+\left(13a+10\right)+\left(5a-2\right)+\left(-18a-6\right)$

$\left(\sec\left(d\right)+\tan\left(d\right)\right)^2$

$\left(25+4x\right)-4\left(x+3-x^2\right)$

$\left[\left(-2\right)\cdot\left(-4\right)\right]+\left[\frac{\left(-6\right)}{\left(-3\right)}\right]$

$\int\left(\frac{4y}{5x}\right)dx$

$\:1000x^3y^3z^3+125x^6y^6z^6$