Question

Which expressions are equivalent to j+j+2kj+j+2kj, plus, j, plus, 2, k ?

Answer 1

4j + 4kj + 2k

Explanation:

j + j + 2kj + j + 2kj + j + 2k

j + j + j + j + 2kj + 2kj + 2k

4j + 4kj + 2k

Answer 2

NONE OF THE ABOVE

Explanation:

KHAN ACADEMY SAID SO I GOT IT WRONG.