$3.5474\cdot256$

$\frac{8^9}{8^8}\cdot\frac{15^7}{15^5}$

$-4x^3y+2xy^3$

$\left(\sin\left(x\right)-1\right)\left(2\cos\left(x\right)+1\right)=0$

$e^{4t}\left(\cos\:\left(2t\right)+\sin\left(3t\right)\right)$

$\int\frac{x^2-5x+2}{\left(x+3\right)^2}dx$

$3\left(9x+2x\right)$