Question

(p+2q)²-(p2+4q²)
Help me out

Answer 1

Answer:

4pq

Step-by-step explanation:

(p+2q)^2= p^2+4q^2-4pq

so (p+2q)^2 -p^2-4q^2

= p^2+4q^3+4pq -p^2-4q^2

so p^2 and 4q^2 get eliminated so we get

=4pq

so (p+2q)^2-(p^2+4q^2) = 4pq