Question

The product of 53×55 by using the properties of square is

Answer 1

Answer:

hey mate

53 × 55 = (50+3) (50+5)

= (50)² - (3+5)50 +3×5

= 2500 - (8)50 + 15

= 2500- 400 +15

= 2915

using identity

(x+a) (x+b) = x²-(a+b)x+ab

hope it will help you