Question

solve this question fastly as you can .I will mark it as a brain list .​

Answer 1

Answer:

Let the third side be x.

14r + 2p²q - 4r + x = 7p²q + 13r

2p²q + 10r + x = 7p²q + 13r

x = 7p²q + 13r - 2p²q - 10r

= 5p²q + 3r

Hence, the third is 5p²q + 3r.