192,902 views
39 votes
39 votes
All of the following are equivalent, except_
x(2+1)
3x
2x2
2X+X

User Jonathan Palumbo
by
2.4k points

1 Answer

25 votes
25 votes
x(2+1) = 2x+x = 3x
3x = 3x
2x^2 = 2x^2
2x+x = 3x

Options 1, 2, and 4 all simplify down to 3x while Option 3 does not. Therefore, the answer is 2x^2
User Paul Rene
by
3.5k points