Question

Choose the correct product of (6x - 2)(6x + 2).

36x^2 + 4

36x^2 - 24x + 4

36x^2 + 24x + 4

36x^2 - 4

Answer 1

Binomial theorem says that (x+y)(x-y)=x^2-y^2. In this case, (6x) is x and 2 is y.