$2x-3\le-9$

$\frac{4x^3+12x^2+12x+4}{x^2-2}$

$\left(6c^2b^2-7\right)\left(3c^2b^2+3\right)$

$\int\left(\tan\left(5x\right)\sec^2\left(5x\right)\right)dx$

$2\left(-2\right)^2\left(-1\right)^3-5\left(-2\right)\left(-1\right)+10\left(-2\right)^2\left(3\right)^3-15\left(-1\right)\left(3\right)^2$

$\frac{\infty^3}{\infty^4}$

$ln\left(x\right)^2=ln\:\left(x\right)^4$