$2x^2+10x+6=\left(x+3\right)\left(2x+1\right)$

$\left(yx^4z^3\cdot x^3y^3z^{-1}\right)^{-3}$

$\lim_{x\to0}\left(tan\left(x\right)\cdot x^{\left(-\frac{1}{2}\right)}\right)$

$\left(2\sqrt{2}+3x+\sqrt{2}\right)\left(2\sqrt{2}+3x-\sqrt{2}\right)$

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

$cosx\left(1+tanx\right)$

$-4562+3500$