Question

evaluate the following using the identity for difference of two square 3.7 X 3.7 - 1.7 X 1.7​

Answer 1

Answer:

3.7×3.7=13.69

1.7×1.7=2.89

13.69-2.89=10.8

difference is 10.8

Answer 2

Answer:

a×a=a^2

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