Question

(2y + 5) (2y + 5) algebraic expressions

Answer 1

Answer:

y is equal to -5/2...

Step-by-step explanation:

Answer 2

Answer:

(2y+5)(2y+5)  =  4y^2 + 20y + 25

Step-by-step explanation:

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

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

=> a = 2y

=> b = 5

=> (2y)^2 + (5)^2 + (2*2y*5)

=> 4y^2 + 25 + 20y