Question

when adding variables and exponents can 12xy +12xy=24x^2y^2

Answer 1

No, it can't be.

Answer 2

When adding like terms such as 12xy + 12xy, you only add the coefficients.

Answer 3

If you add 12 marbles to 12 marbles, you get 24 marbles, not 24 marbles squared.

Answer 4

ok thanks now I understand

Answer 5

Great!