$\left(5^{-2}\right)^5\cdot5^4$

$4x-2\left(x-3\right)<0$

$x^2+4x+8=10$

$8\left(x+5\right)-11\left(x-1\right)$

$3\left(0\right)-7$

$cos^3\left(x\right)=cos\left(x\right)-sin^2\left(x\right)cos\left(x\right)$

$-\left(x\:\:t\:\:\:y\right)-2\left(-3x-3y\right)\:t\:y\left(x-3\right)-\left(-3y\right)\:\:t\:x\left(y-1\right)$