$\lim_{x\to\infty}\left(\frac{\:\:\left(x^2\right)}{10+x\sqrt{x}}\right)$

$x^3-12x+16$

$8\sin\left(x\right)+3=3\sin\left(x\right)+3$

$\left(3a+8b^3\right)^2$

$\left(x^2+3\right)\left(x^2-5\right)$

$38\cdot8$

$\frac{3}{4}x^2+\frac{2}{3}y^2-\frac{1}{3}xy+\frac{1}{9}y^2+\frac{1}{9}y^2+\frac{1}{6}xy-\frac{1}{3}y^2$