Question

All of the following are equivalent, except _____.


2x + x
x(2 + 1)
2x²
3x

Answer 1

perty shure its 3x

Answer 2

Not exactly, 2x+x is the same as 2+1, equaling 3x

Answer 3

i dint see the exponant.....tht makes a big diffrence

Answer 4

Yup, so the only one that doesn't belong there is 2x^2

Answer 5

thanks