Answer: i can’t read it could try upload it again
Explanation: Henlo :3
Answer:
-17
Step-by-step explanation:
-16r=272
16r=-272
r=-17
ANSWER

or

We have

Since we cannot factor easily, we complete the square.
Adding 2 to both sides give,

Dividing through by 3 gives

Adding

to both sides gives

The expression on the Left Hand side is a perfect square.




Splitting the plus or minus sign gives

or