Answer:
\(2z^{7})\).
Step-by-step explanation:
Given : \(-3 z^{7} - ( -5 z^{7})\)
To find : Select the correct difference.
Solution : we have given
\(-3 z^{7} - ( -5 z^{7})\).
Open the parenthesis
\(-3 z^{7} + 5 z^{7})\).
By the rule ( + - = -) .
\(2z^{7})\).
Therefore, \(2z^{7})\).
