$5x-5=2x+16$

$\int\frac{\left(1+tan\left(x\right)\right)^2}{cos^2\left(x\right)}dx$

$7+4\cdot2^3$

$5a-2ab+4ab^2$

$x\left(x-2\right)>3$

$\left(x^{\left(4\right)}+x^{\left(3\right)}+x^{\left(2\right)}+x+1\right)-\left(x^{\left(5\right)}+x^{\left(4\right)}+x^{\left(3\right)}+x^{\left(2\right)}+x+1\right)$

$2\cos\left(x\right)=\cos\left(2x\right)$