Answer:
1+3i
Step-by-step explanation:
i is a variable. -1 has an absolute value of 1. 3i is multiplying i by 3.
♂️ but if you know please answer
<em>-7 _D_</em>
<em> _A_</em>
<em>1 _C_</em>
<em> _B_</em>
<em>_A_ </em>
<em>_B_ </em>
<em>_C_ </em>
<em>_D_ </em>
n+3=5m