$\left(a^{x+1}-6\right)\left(x^{x+1}-5\right)$

$\lim_{x\to0}\frac{4cos\left(4x\right)}{5tan\left(5x\right)}$

$y\left(x\right)=\sqrt{2x}+\sqrt{x}$

$\frac{dy}{dx}\left(x^3+5x^2-y^4-2y^2=7\right)$

$\int x^2e^{3x}da$

$\left(6-4\ln\left(3-x\right)\right)^2$

$\frac{2}{3}\left(18-6g+12m+3n\right)$