Hello, Can someone please help me with this math problem? thanks!

Question

asked Sep 28, 2019 160k views

1 Answer

Leo Ribeiro · Answer 1 · 2019-10-03T08:55:34+0000

I believe it's A) because the conjugate of any number is basically inverted signs when multiplying a binomial, so [-2 - √b][-2 + √b]. It's A).