## Elementary Algebra

$-12\sqrt[3] 2$
We will simplify the radical to simplify the expression: $-4\sqrt[3] {54}$ =$-4\sqrt[3] {27\times2}$ =$-4(\sqrt[3] {27}\times\sqrt[3] 2)$ =$-4(\sqrt[3] {3^{3}}\times\sqrt[3] 2)$ =$-4(3\times\sqrt[3] 2)$ =$-12\times\sqrt[3] 2$ =$-12\sqrt[3] 2$