Question

using identity (a-b)*= a*- 2ab+b* evaluate ( 2p-4q)*​

Answer 1

Answer:

4p^2-16pq+16q^2

Step-by-step explanation:

(2p-4q)^2= (2p)^2-2×2p×4q+(4q)^2

=4p^2-16pq+16q^2