Question

Simplify the following combining like terms :-

(i) P-(p-q)-(q-p)-q

Answer 1

Answer:

p-q

Step-by-step explanation:

P-(p-q)-(q-p)-q

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

=p-q

Answer 2

Answer:

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

=>-,+ terms cancal with each other

=p-q Ans