Question

Add the following..............

Answer 1

(p - 5qr) + (7qr + q) + (- p - q)

= p - 5qr + 7qr + q - p - q

= p - p + q - q - 5qr + 7qr

= 2qr

Therefore, the answer is 2qr.

Answer 2

SOLUTION :

(p - 5qr) + (7qr + q) + (- p - q)

p - 5qr + 7qr + q - p - q

p - p + q - q - 5qr + 7qr

2qr

Hence, The value is 2qr