Question

WILL GIVE MEDAL

Which shows 232 - 172 being evaluated using the difference of perfect squares method?

A. 23^2 - 17^2 = (529 + 289)(529 - 289) = 196,320

B. 23^2 - 17^2 = 529 - 289 = 240

C. 23^2 - 17^2 = (23 + 17)(23 - 17) = (40)(6) = 240

D. 23^2 - 17^2 = (23 - 17)^2 = (6)^2 = 36

Answer 1

B is right

Answer 2

b is the answer :D