Answer:
The answer is 1, -4, 2+5i, 2-5i
Step-by-step explanation:

add 2q to both sides.

subtract 5 to both sides.

divide 5 to both sides.

the answer is:
The way it is written, none of them.

The "a"s cancel out.
You can use base ten blocks to find 2.16/ 3 by using 7 base ten blocks and 2 base one blocks.