Question

Write an algebraic expression to represent each verbal expression.

The cube of the difference of a number and 7

Short answer

The expression is ${\left(x-7\right)}^3$.

Step-by-step solution

Step 1- Observe the provided statement

According to the statement there is an unknown number so consider that number be x. There is a subtraction.

– Use the observation

By using the observation form the expression.

${\left(x-7\right)}^3$

Step 3- Make the conclusion

As the obtained expression is completely matching with the provided statement so the expression ${\left(x-7\right)}^3$ is the required expression.