Question

53²_47² using identity (a²_b²)=(a+b)(a_b)

Answer 1

53²-47² = (53+47)(53-47)

using formula a²-b²=(a+b)(a-b)

53²-47² = (100)(6) = 600
hope this helps

Answer 2

53^2-47^2
= (53+47)(53-47) [by using a^2-b^2=(a+b) (a-b)
=100*6
=600