Question

Algebra 2 - Greatest Common Factor(GCF)

In excercise 2-5, factor out the greatest common factor.

4x^2 - 8x
4x(x-2)
My Ans: 4x

Not sure if it is 4x, or just 4.

Answer 1

yes, the answer is 4x. you are right :)

Answer 2

Okay thanks!

Answer 3

No Problem! :)

Answer 4

But for the answer they are not asking what the greatest common factor is. They are asking you to factor out the greatest common factor.
Therefore, 4x^2 - 8x = 4x(x-2) is the answer. (not just 4x).

Answer 5

Can you please explain, @aum

Answer 6

If the question asks: What is the greatest common factor in 4x^2 - 8x?
The answer is 4x.

If the questions says: Factor out the greatest common factor in 4x^2 - 8x
the answer is: 4x(x - 2).

Answer 7

Oh so it'll be 4x(x-2)?