Question

Find the square using (a + b) = a + B + ab identity a) 72​

Answer 1

Answer:

Here is your answer mate!

Step-by-step explanation:

We can write 72 as 70+2

and 9 * 7 = 72

So..

(a + b) = a + b + ab

( 70 +2 ) = 70 + 2 (9*7)

I think this is the answer

72 square = 72 +72 = 5182

5182 is the square of 72:)