Question

Evaluate the expression described below if the number is 4.

The difference between a number squared and the number.
A.
0
B.
4
C.
12
D.
20

Answer 1

So you're doing algebra! Let's call your number "x"

The difference between "x" squared and "x" is...

x^2-x

If x is 4 then, what is x^2-x?

Answer 2

@BluFoot pretty much answered your question.

Answer 3

not really

Answer 4

in x^2-x, replace x with 4

Answer 5

And solve so, 4^2-4=?

Answer 6

16-4?

Answer 7

yes!