Answer:
a1=-13 so a-13-1+6=-8 continue with this formula and you will get the 3 left terms
and the next -8-1+6=-3
and the -3-1+6=2
the last one 2-1+6=7 that's all
Explanation:
Can you find a₄ and a₅ yourself?
4.5m questions
5.7m answers