Question

Match each expression to the correct verbal description.

Answer 1

(7x)3+8 8 added to the cube of 7x

(7x+8)3 The cube of the sum of 7x and 8

7(x+8)3 7 times the cube of the sum of x and 8

7x3+8 8 added to 7 and x cubed

Answer 2

Answer with explanation:

1)

          $7x^3+8$

we first cube a number x i.e. $x^3$

and then multiply it by 7 and then finally add 8 to the resulting expression.

2)

       $(7x+8)^3$

We first multiply the number x by 7 and then add 8 to it and then cube the resulting expression.

3)

                $(7x)^3+8$

We first multiply x by 7 to get 7x and then cube the number and finally add 8 to it.

4)

               $7(x+8)^3$

We add 8 to  a number x to get x+8 and then cube it and finally multiply 7 to the resulting expression.