Question

Select the correct difference. -3z 7 - (-5z 7) 2z7 8z14 -2z7 2z

Answer 1

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

Answer 2

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,  $2z^{7})$.