$\left(-1153\right)+\left(-13003\right)$

$\int-5dx$

$\left(-2\right)\cdot\left[\left(-6+5\right)\cdot\left(-3\right)+\frac{\left(-36\right)}{6}\right]^4+1$

$\frac{4\left(5\right)}{4\left(5\right)-2\left(5\right)}$

$f\left(x\right)=\ln\:\left[\left(\frac{3}{5}x^3+8x^2\right)\left(4x^3+6\sqrt[7]{x}\right)\right]$

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

$y'+4y=e^x$