Question

2
(7pgr - 5)2 – (7pqr +5)
(pqr + 1)2 – (pqr - 1)​

Answer 1

Answer:

- 35

Step-by-step explanation:

(7pqr - 5 + 7pqr + 5 ) ( 7pqr-5 - 7pqr - 5)

(pqr + 1 + pqr -1) (pqr + 1 - pqr + 1)

= 14 pqr * (-10)

  2pqr * 2    

= -35