Simplify the expression −49−−−−√−−64−−−−√ .(1 point) Responses 15i 15 i −i negative i 7−8i 7 minus 8 i 15
To simplify the expression −49−−−−√−−64−−−−√, we first simplify each square root individually.
√−49 = -7
√−64 = 8i
Therefore, the expression becomes:
-7 - 8i
The simplified expression is -7 - 8i.