Evaluate the subtraction (13+−225−−−−√)−(49−−√−2i)

. Provide the answer in the form of a+bi
.(1 point)

1 answer

To evaluate the subtraction (13+−225−−−−√)−(49−−√−2i), we first simplify each square root expression:

√225 = 15
√49 = 7

Now we can substitute these values into the subtraction:

(13+−15)−(7−2i)

Next, we simplify each subtraction separately:

13-15 = -2
7-2i = 7-2i

Putting these together, we have:

-2 - (7-2i)

To subtract a complex number, we distribute the negative sign:

-2 - 7 + 2i

Simplifying, we get:

-9 + 2i

Therefore, the answer is -9 + 2i.