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

$\int_0^{x^2}\left(\frac{1}{\sqrt{x^2-y^2}}\right)dy$

$\frac { 2 x ^ { 4 } - 3 x ^ { 2 } + 1 } { x + 2 }$

$7\left(8x+2\right)$

$-3x+3=2x+8$

$\left(9-4m\right)^2$

$1+\frac{\tan\left(x\right)}{\sec\left(x\right)}$