Question

find the square of 72 by using column method​

Answer 1

step by step explanation:

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

a=7

b=2

a^2 2ab b^2

49 28 4

+2

5 1 8 4

72^2 = 5184

This is the column method I studied.

If this is the correct answer then plz mark as brainliest