Question

Translate the following statement into an algebraic expression Use x for your variable. The sum of the cube of a number and seven times the number.​

Answer 1

`x^(3) + 7x`

Explanation:

cube of a number is the number multiplied by itself thrice.

This means:

x × x × x =
`x^(3)`

Seven times (multiply, ×) the number(x) means:

7 × x =
`7x`

We are to sum (add, +) both:

`x^(3)` +
`7x`

Answer is
`x^(3)` +
`7x`