$\int_{-6}^0\left(x^2-4x+3\right)-\left(2x^2+2x+3\right)dx$

$\left(5a-b^2\right)\left(5a+b^2\right)$

$\lim_{x\to10}\left(\frac{\left(e^{8x}-1-8x\right)}{x^2}\right)$

$\left(2x-7\right)<x-3$

$\int\cos\left(3z+4\right)dx$

$\int_a^b\left(mx\right)dx$

$3\sqrt{12x}+8\sqrt{27x}+5\sqrt{3x}$