$\sec\left(x\right)^2\left(8+3\csc\left(x\right)\right)$

$-0.6^2$

$\int\left(3x^2+14x\right)\left(x^3+7x+1\right)dx$

$\int\left(x^2ln\left(9x\right)\right)dx$

$50,441-6,203$

$\lim_{w\to0}\:\frac{\sqrt{w}}{\sqrt{w+3-\sqrt{3}}}$

$+32-\left(-7\right)+\left(-32\right)-\left(-32\right)+\left(+42\right)$