$m^3+2m^2+m+2$

$\int x^2\left(2+2x^3\right)dx$

$6n^3+12n^5m^2-54n^6$

$\left(2k+3e\right)\left(2k-3e\right)$

$8\sin\left(x\right)\tan\left(5x\right)-3\tan\left(5x\right)=0$

$\left(cos\left(x\right)+sin\left(x\right)\right)^2=2cos\left(x\right)sin\left(x\right)+1$

$\infty^2+4$