All of the following are equivalent except a) 7 x^2 b) 4 x + 3 x c) (4+3) x d) 7 x

except  A) 7 x^2

Step-by-step explanation:

A) 7 x^2  = 7x^2

B) 4 x + 3 x  = 7x

C) (4+3) x  = 7x

D) 7 x = 7x

Hi There!

A) 7x²

Step-by-step explanation:

A) = 7x²

B) = 7x

C) = 7x

D) = 7x

You see that all of them are equivalent except 7x² because its square while the rest aren't.

Hope This Helps :)