For any nonnegative real number.

A

Step-by-step explanation:

We know that .

We also know that .

We can combine these facts to get .

So, the answer is and we're done!

Note: the non-negative part or the equation comes from the fact that you assume the square root of a negative number doesn't exist. You will change this assumption later in the year, or in further years.

the solution is 12x-6y

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^