Question

Using the identity (a+b)=(a²+2ab+b²)evaluate
725²​

Answer 1

Answer:

525,625

Step-by-step explanation:

By Using the identity (a+b)=(a²+2ab+b²)

We can write 725² as

(700+25)²

So

(a²+2ab+b²)

So, 700²+2(700)(25)+25²

Than 490000+35,000+625

=525,625

So The Square of 725 is 525,625