$\frac{x^3-4x^2-10x+2}{x^3-7x-6}$

$\{-62-\left(17\right)+-8=-24\right)-\left(63-775\right)\}$

$3\left(\frac{33.98}{25}\right)$

$\frac{d^3}{dx^3}\left(sin\left(4x\right)-cos\left(3x\right)\right)$

$\frac{\left(3-i\right)}{\left(3+1\right)}$

$\left(-3x^2+z^5\right)\left(4z^{10}-x^3\right)$

$\log\left(7x+1\right)=2\log\left(x+3\right)-\log\left(2\right)$