Question

Write an equation for this phrase "2 cubed is equal to the square root of x"

Answer 1

2 cubed means that you have to make the axponent of 2 by 3, symbolically:

$2^3$

The square root of x can be symbolized:

$\sqrt[]{x}$

If both terms are equal then you can put them together as:

$2^3=\sqrt[]{x}$

This is the expression that sumbolizes the phrase.