Answer:

Step-by-step explanation:


B not quiet sure but if anything try again : )
The hundreds digit is twice as large as the ones digit. 3 doubled is 6, 6 doubled is 12, and 9 doubled is 18. Since 6 is the only option that is one digit, the hundreds digit must be 6 and the ones digit must be 3. The tens digit is five less than the hundreds digit.

Explanation

Step 1
multiplicate by the conjugate

notice that


I hope this helsp you