Answer:
3j+2
Step-by-step explanation:
You distribute the 2 to everything in the brackets by multiplying it .
2×j + 2×1 +j
2j +2+j
2j+j =3j
=3j+2
3j + 2
2(j + 1)+ j
=2j + 2 + j
=3j + 2
hope this helps