What's the algebraic expression of "4 times a number cubed decreased by 7"?

Statement:  "4 times a number cubed decreased by 7"

Let a number be  x is denoted as an arbitrary variable.

Now, cubed means raise x to the third power  i.e

then, 4 times a number cubed i.e

Decreased by 7 means, subtract 7  

⇒

Therefore, the algebraic expression for the given statement is,

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

70,000 + 6,000 + 800 + 30

step-by-step explanation: