$4\tan\left(x\right)-4\tan\left(x^2\right)$

$s^2+22s+122$

$-0.39-0.184$

$\frac{-14\left(\frac{1}{5}\cos\left(x\right)-2\cos\left(x\right)\sin\left(x\right)\right)}{\left(\frac{1}{5}\sin\left(x\right)+\cos\left(x\right)^2\right)^2}=0$

$40\left(-78\right)\left(0\right)$

$\int\left(-6x-3\right)^5dx$

$\int\frac{\sqrt{u^2+a^2}}{u^2}du$