$2x-3+2x+3$

$\int_0^{\infty}\left(\sin\left(x\right)e\right)dx$

$\frac{14^7}{14^3}$

$\sec\left(x\right)-\sin\left(x\right)\tan\left(x\right)=-\sin\left(x\right)\tan\left(x\right)$

$4\cdot\left(x+3\right)\ge-3\cdot\left(x-5\right)-1$

$sin^2x-4sinx+2=0$

$\left(x+4\right)\frac{dy}{dx}=x+1$