Answer:

Step-by-step explanation:
The given expression is

We need to find the simplified form of the given expression.
It can be rewritten as

Combine integers and fractions separately.

Taking LCM we get


In can be written as




Therefore, the expression
is equivalent to the given expression.
Answer:
105
Step-by-step explanation:
Assuming A^2 + B^2 = C^2:
C^2 = 4 + 3 = 7
So,
C^2 * 15 = 49(15) = 105
Note: Since the relationship between A, B, and C isn't known, it cannot be said for certain that 105 is the answer.
The correct answer is that the focus is, <u><em>(0,−2)</em></u>