Question

subtract -p-q-r from -p-q-r​

Answer 1

Step-by-step explanation:

=(-p-q-r)-(-p-q-r)

=-p-q-r+p+q+r

=0

Answer 2

Answer:

-p-q-r-(-p-q-r)

= -p-q-r+p+q+r

=0(zero)