Question

[7.07] Choose the correct product of (6x + 2)2.

36x2 − 4

36x2 + 4

36x2 − 24x + 4

36x2 + 24x + 4

Answer 1

The correct product of (6x+2)2 = 36x2 + 24x + 4
This is how to get this:
The equation is (a+b)2 = (a+b) (a+b). So, when you apply this to your equation, you get this:
(6x+2)2 = (6x+2) (6x+2) = 36x2 + 12x + 12x + 4 = 36x2 + 24x + 4