Respuesta :

texaschic101
-3z^7 - (-5z^7) = -3z^7 + 5z^7 = 2z^7

Answer:

[tex]2z^{7})[/tex].

Step-by-step explanation:

Given  : [tex]-3 z^{7} - ( -5 z^{7})[/tex]

To find : Select the correct difference.

Solution : we have given

[tex]-3 z^{7} - ( -5 z^{7})[/tex].

Open the parenthesis

[tex]-3 z^{7} + 5 z^{7})[/tex].

By the rule ( + - = -)  .

[tex]2z^{7})[/tex].

Therefore,  [tex]2z^{7})[/tex].