$\frac{dy}{dx}9\left(1+2y\right)^{\frac{2}{3}}$

$\left(x+\sin\left(x\right)\right)\left(\sin\left(x\right)\right)$

$16u^2+56uv+49v^2$

$3^2+8\left(3\right)+6$

$\left(2x+7^2\right)$

$\lim_{x\to\infty}\left(\frac{x^2\sin\left(\frac{1}{x}\right)}{\sin\left(x\right)}\right)$

$-2.9\:\cdot\:-2.9^7$