$-\left[-5+\left(4-1\right)\right]-2-\left[8-\left(3+2\right)\right]+\left(5+9\right)-\left(-3\right)$

$2x-14=-28$

$\frac{\left(x\right)}{2x+10}>1$

$5x\:-2\:por\:x=1$

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

$\left(1-\sin x\right)\left(1+\frac{1}{\sin x}\right)=\cos x\cot x$

$4x^2<1$