Question

In which of the following, the two expressions are like terms?

a) 7x and 7y

b) 7x and 9x

c) 7x and 7x2

d) 7x and 7xy​

Answer 1

7x and 9x are like terms .

Answer 2

Like terms :

Like terms are the terms that has the same variable and not something else.

According to the question,

we can say that 7x and 9x are like terms

Hence, the correct option is c)