$4xyz^4\left(-6x^4y^3z^2+2xy^5\right)$

$-95+-74$

$\left(-\sqrt{y+2}\right)^2$

$-4.87=\log\left(x\right)$

$\left(a+b\right)\left(a^3-b^3\right)+\left(a-b\right)\left(a^3+b^3\right)$

$36t^2-60t+25$

$2\sin^2\left(x\right).\cos^2\left(x\right)\left(\tan\left(x\right)+\cot\left(x\right)\right)^2$