$\frac{1+\cos\left(x\right)-\sin^2\left(x\right)}{\sin\left(x\right)+\sin\left(x\right)\cos\left(x\right)}=\cot\left(x\right)$

$\left(2g\right)^5$

$3t-153\le-159$

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

$3x-6x+4$

$\left(2c-2k+8d\right)+\left(10c-6d+10k\right)$

$-3.005\:-\:4.7\:+\left(-2\right)\:$