2 cubed means that you have to make the axponent of 2 by 3, symbolically:
[tex]2^3[/tex]The square root of x can be symbolized:
[tex]\sqrt[]{x}[/tex]If both terms are equal then you can put them together as:
[tex]2^3=\sqrt[]{x}[/tex]This is the expression that sumbolizes the phrase.
