#1:
If you would like to solve 3 x^2 + 24 x = 27, you can do this using the following steps:
3 x^2 + 24 x = 27
3 x^2 + 24 x - 27 = 0
3 (x^2 + 8 x - 9) = 0
x^2 + 8 x - 9 = 0
(x + 9) (x - 1) = 0
1. x = - 9
2. x = 1
None of the above results is correct. The correct result would be {-9, 1}.
#2:
(B)
