$7sin\left(x\right)-4\sqrt{2}=-sin\left(x\right)$

$\left(-k^4+\frac{1}{2}\right)\left(\frac{1}{2}+k^4\right)$

$\lim_{x\to0}\left(\frac{\sqrt{12}\cdot\left(\sin\:\left(x\right)-x\right)}{12\cdot x^3}\right)$

$\left(\frac{9bf^2}{8b^3f^5}\right)^3$

$\int\frac{e^{-\left(u^2+a^2\right)}u}{1+v^2}dv$

$36m^2+6m-110$

$\frac{3x^2+18x+20}{x+4}$