$\lim_{x\to0}\left(\frac{\ln\left(X\right)}{e^x}\right)$

$\left(5x+2\right)\left(5x+6\right)$

$\lim_{x\to\infty}\left(\frac{3x^2+13}{x^2-25}\right)$

$\int t^6cos^2\left(t^7\right)sin\left(t^7\right)dt$

$\int_{-1}^0\left(4x+3\right)dx$

$\int\frac{8x^3-7x+2}{x^3-x^2}dx$

$-7\left(-5y+3\right)+8y$