Question

hi can you please answer me

Answer 1

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The answer is:-

15. 10pq-3rq-10ps+3rs

=10pq-10pq-3rs+3rs

=0

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Answer 2

HEY HERE IS YOUR ANSWER10pq-3rq-10ps+3rs
=10pq-10ps-3rq+3rs
=10p(q-s) -3r(q-s)
=(10p-3r) (q-s)

Therefore
10pq-3rq-10ps+3rs=(10p-3r) (q-s)

Hope it helps u.