Question

using identities :
(2 y + 5) (2 y + 5)²

right answer will mark as brainlist​

Answer 1

Answer:

please my friend!!!

give me identities…………………

Answer 2

Answer:

=(2 y + 5) (2 y + 5)²

=(2y+5)[(2y)²+2×2y×5+5²]

=(2y+5)(4y²+20y+25)

=8y³+40y²+50y+20y²+100y+125

=8y³+60y²+150y+125

Step-by-step explanation:

Use identity :

(a+b)²=(a²+2ab+b²)