In general, the probability of a disjunction is

In this case, A and B are mutually exclusive, so 
This simplifies the formula to

Answer:
Extraneous Solutions An extraneous solution is a root of a transformed equation that is not a root of the original equation because it was excluded from the domain of the original equation. Example 1: Solve for x, 1 x − 2 + 1 x + 2 = 4 (x − 2) (x + 2).
Answer:
50 what
Step-by-step explanation:
Answer:
no solution
Step-by-step explanation: because if it has no variables that are the same it has no solution.