Answer:
15i
Step-by-step explanation:
since 15 x 15 is 225, the imaginary number comes into play here. i x i = -1, so 15i x 15i = -225
Answer:21-3+8=26
-14+31-6=11
Step-by-step explanation:
Arithmetic
-3-2=5
because
-3-2
=
-3 + -2
3 negatives + 2 negatives = 5 negatives