Question

Factorize: 16a2 - 40 ay + 25y2​

Answer 1

Answer:

(4a-5y)²

Step-by-step explanation:

As we can write 16a²-40ay+25y²

(4a)²-2(4a)(5y)+(5y)²

as we know identity (a-b)2=a²-2ab+b² here, a=4a

b=5y

so the answer is (4a-5y)²