$\left|-3+-1\right|^3$

$2x^2z+x^2-2y+4=-1$

$\frac{9x^4-3x-12^5}{3x}$

$\int z\left(2+2\sqrt{z}\right)dz$

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

$\left(y^2e^x-\cos\left(x\right)\right)dx+2ye^xdy=0$

$\frac{\left(tan\left(26\right)+tan\left(24\right)\right)}{1-tan\left(26\right)tan\left(24\right)}$