Question

factorise 1 - 4 (p + q)2​

Answer 1

Answer:

(1+2p+2q)(1-2p-2q)

Step-by-step explanation:

1 - 4 (p + q)²

= 1² - 2²*(p+q)²

= 1² - (2p+2q)²

= (1+2p+2q)(1-2p-2q)