Question

3) Find the squares by using the identities
(2hy + 5 y)²​

Answer 1

See the photo attached for solution

Answer 2

Answer:

identity:

(a+b)^2 = a^2 + b^2 +2ab

(2hy+5y)^2 = (2hy)^2 + (5y)^2 + 2(2hy)(5y)

                  = 4h^2y^2 + 25y^2 + 20hy^2