$\sqrt{3-\left(3x+4\right)^2}-3$

$\lim_{x\to\infty}\left(\frac{x+2}{4-x^2}\right)$

$\lim_{x\to1}\left(\frac{ln\left(x\right)-x+1}{e^x-e}\right)$

$\int\frac{300\left(x+3\right)}{x^2+7x+6}dx$

$\int_0^1\left(\frac{1}{x^2+2x-2}\right)dx$

$\left(25x^2-5\right)^2$

$3-3^25$