$5\left(x+2\right)^2$

$\left(5+\sin\left(x\right)\right)^2+\cos^2\left(x\right)=26+10\sin\left(x\right)$

$\left(\frac{1}{3}-3\right)\left(\frac{1}{3}+4\right)$

$\frac{1+tan^2x}{cscxsecx}$

$-12,43+9,42$

$4.6\log_{2.7}\left(56\right)=x$

$\left(x^2z\right)\left(3x^2y^3+z^4\right)$