$2^{\left(10-2x\right)}=64$

$-6a^2-3a+3a^2$

$\left(x-2\right)^2\ge\:\:0$

$\lim_{x\to0}\left(\frac{10e^x-10}{x^3}\right)$

$2y-6x+9-3y-10$

$ln\left|cot\left(x\right)\right|-ln\left|tan\left(x\right)\right|=2ln\left|cot\left(x\right)\right|$

$\left(-7a^4bc^3\right)\left(5ab^4c^2\right)$