Question

please answer my question

Answer 1

Step-by-step explanation:

3²=9

2²=4

1²=1

-1²=1

then 9+4+1+1=15

mark as brainlist

Answer 2

Answer:

J => 15

Step-by-step explanation:

3×3 + 2×2 + 1×1 +(-1)×(-1)

=> 9 + 4 + 1 + 1 = 15