Algebra
posted by Megan .
Help! I think I am right, but not sure.
Factor out greatest common factor then simplify the factors
15wx20wy25wz=
5w(3x)+5w(4y)+5w(5z)=
5w(3w4y5z)=
5w

I agree with you as far as 5w(3w4y5z).
That does not equal 5w.