How do I express four less than the square number

x^2 - 4

Step-by-step explanation:

Number squared (x) ^2

less than is a subtraction term

put them together you get x^2 - 4

X^2-4

Step-by-step explanation:

Let x be our number.

So we square the number because it says 4 less than the square number.

So we have x^2.

Now, we have to take 4 less than that.

So x^2-4 is our answer.

(This can also be factored because it is in the form a^2-b^2)

(This can be rewritten as (x+2) (x-2))